955139904 has 112 divisors (see below), whose sum is σ = 2884017600. Its totient is φ = 309754368.

The previous prime is 955139893. The next prime is 955139923. The reversal of 955139904 is 409931559.

It is a happy number.

955139904 is a `hidden beast` number, since 9 + 551 + 3 + 9 + 90 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 955139904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56467 + ... + 71405.

Almost surely, 2^955139904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 955139904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442008800).

955139904 is an abundant number, since it is smaller than the sum of its proper divisors (1928877696).

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

955139904 is a wasteful number, since it uses less digits than its factorization.

955139904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14997 (or 14981 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 955139904 is about 30905.3377913913. The cubic root of 955139904 is about 984.8172864905.

It can be divided in two parts, 9551 and 39904, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 955139904 in words is "nine hundred fifty-five million, one hundred thirty-nine thousand, nine hundred four".