969889536 has 486 divisors, whose sum is σ = 3625961976. Its totient is φ = 248371200.

The previous prime is 969889499. The next prime is 969889549. The reversal of 969889536 is 635988969.

969889536 is a `hidden beast` number, since 9 + 6 + 98 + 8 + 9 + 536 = 666.

969889536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 13660381 + ... + 13660451.

Almost surely, 2^969889536 is an apocalyptic number.

969889536 is a gapful number since it is divisible by the number (96) 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 969889536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812980988).

969889536 is an abundant number, since it is smaller than the sum of its proper divisors (2656072440).

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

969889536 is a wasteful number, since it uses less digits than its factorization.

969889536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 94 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The square root of 969889536 is about 31143.0495616598. The cubic root of 969889536 is about 989.8607211471.

The spelling of 969889536 in words is "nine hundred sixty-nine million, eight hundred eighty-nine thousand, five hundred thirty-six".