921501696 has 136 divisors (see below), whose sum is σ = 2537534560. Its totient is φ = 297271296.

The previous prime is 921501689. The next prime is 921501697. The reversal of 921501696 is 696105129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921501697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8454090 + ... + 8454198.

Almost surely, 2^921501696 is an apocalyptic number.

921501696 is a gapful number since it is divisible by the number (96) 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 921501696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268767280).

921501696 is an abundant number, since it is smaller than the sum of its proper divisors (1616032864).

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

921501696 is an equidigital number, since it uses as much as digits as its factorization.

921501696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 921501696 is about 30356.2464082765. The cubic root of 921501696 is about 973.1177170901.

The spelling of 921501696 in words is "nine hundred twenty-one million, five hundred one thousand, six hundred ninety-six".