969399900 has 432 divisors, whose sum is σ = 3715595520. Its totient is φ = 214617600.

The previous prime is 969399887. The next prime is 969399961. The reversal of 969399900 is 9993969.

It is a super-2 number, since 2×969399900² = 1879472332240020000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6974031 + ... + 6974169.

Almost surely, 2^969399900 is an apocalyptic number.

969399900 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 969399900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857797760).

969399900 is an abundant number, since it is smaller than the sum of its proper divisors (2746195620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

969399900 is a wasteful number, since it uses less digits than its factorization.

969399900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The square root of 969399900 is about 31135.1874893986. The cubic root of 969399900 is about 989.6941203783.

It can be divided in two parts, 969399 and 900, that added together give a cube (970299 = 99³).

The spelling of 969399900 in words is "nine hundred sixty-nine million, three hundred ninety-nine thousand, nine hundred".