1173489408 has 432 divisors, whose sum is σ = 4330173120. Its totient is φ = 297271296.

The previous prime is 1173489397. The next prime is 1173489433. The reversal of 1173489408 is 8049843711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6080160 + ... + 6080352.

Almost surely, 2^1173489408 is an apocalyptic number.

1173489408 is a gapful number since it is divisible by the number (18) 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 1173489408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2165086560).

1173489408 is an abundant number, since it is smaller than the sum of its proper divisors (3156683712).

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

1173489408 is a wasteful number, since it uses less digits than its factorization.

1173489408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1173489408 is about 34256.2316666618. The cubic root of 1173489408 is about 1054.7747497216.

It can be divided in two parts, 117348 and 9408, that added together give a triangular number (126756 = T₅₀₃).

The spelling of 1173489408 in words is "one billion, one hundred seventy-three million, four hundred eighty-nine thousand, four hundred eight".