905868912 has 40 divisors (see below), whose sum is σ = 2520175504. Its totient is φ = 278728704.

The previous prime is 905868881. The next prime is 905868941. The reversal of 905868912 is 219868509.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 725233 + ... + 726480.

Almost surely, 2^905868912 is an apocalyptic number.

It is an amenable number.

905868912 is an abundant number, since it is smaller than the sum of its proper divisors (1614306592).

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

905868912 is a wasteful number, since it uses less digits than its factorization.

905868912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451737 (or 1451731 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 905868912 is about 30097.6562542667. The cubic root of 905868912 is about 967.5834956552.

The spelling of 905868912 in words is "nine hundred five million, eight hundred sixty-eight thousand, nine hundred twelve".