921950940 has 48 divisors (see below), whose sum is σ = 2606542848. Its totient is φ = 243465024.

The previous prime is 921950923. The next prime is 921950957. The reversal of 921950940 is 49059129.

It is an interprime number because it is at equal distance from previous prime (921950923) and next prime (921950957).

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, 68412 + ... + 80771.

It is an arithmetic number, because the mean of its divisors is an integer number (54302976).

Almost surely, 2^921950940 is an apocalyptic number.

It is an amenable number.

921950940 is an abundant number, since it is smaller than the sum of its proper divisors (1684591908).

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

921950940 is a wasteful number, since it uses less digits than its factorization.

921950940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149298 (or 149296 counting only the distinct ones).

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

The square root of 921950940 is about 30363.6450381044. The cubic root of 921950940 is about 973.2758272253.

The spelling of 921950940 in words is "nine hundred twenty-one million, nine hundred fifty thousand, nine hundred forty".