905828988 has 12 divisors (see below), whose sum is σ = 2113601000. Its totient is φ = 301942992.

The previous prime is 905828953. The next prime is 905828993. The reversal of 905828988 is 889828509.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×905828988² = 1641052311002208288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37742863 + ... + 37742886.

Almost surely, 2^905828988 is an apocalyptic number.

It is an amenable number.

905828988 is an abundant number, since it is smaller than the sum of its proper divisors (1207772012).

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

905828988 is a wasteful number, since it uses less digits than its factorization.

905828988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75485756 (or 75485754 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 57.

The square root of 905828988 is about 30096.9930059466. The cubic root of 905828988 is about 967.5692808056.

The spelling of 905828988 in words is "nine hundred five million, eight hundred twenty-eight thousand, nine hundred eighty-eight".