920693864 has 16 divisors (see below), whose sum is σ = 1801357920. Its totient is φ = 440331760.

The previous prime is 920693863. The next prime is 920693911. The reversal of 920693864 is 468396029.

It is not an unprimeable number, because it can be changed into a prime (920693863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501702 + ... + 2502069.

It is an arithmetic number, because the mean of its divisors is an integer number (112584870).

Almost surely, 2^920693864 is an apocalyptic number.

It is an amenable number.

920693864 is a deficient number, since it is larger than the sum of its proper divisors (880664056).

920693864 is a wasteful number, since it uses less digits than its factorization.

920693864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003800 (or 5003796 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 920693864 is about 30342.9376297022. The cubic root of 920693864 is about 972.8332736060.

The spelling of 920693864 in words is "nine hundred twenty million, six hundred ninety-three thousand, eight hundred sixty-four".