921413694 has 32 divisors (see below), whose sum is σ = 1911618720. Its totient is φ = 295731072.

The previous prime is 921413693. The next prime is 921413699. The reversal of 921413694 is 496314129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921413693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57804 + ... + 72000.

It is an arithmetic number, because the mean of its divisors is an integer number (59738085).

Almost surely, 2^921413694 is an apocalyptic number.

921413694 is an abundant number, since it is smaller than the sum of its proper divisors (990205026).

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

921413694 is a wasteful number, since it uses less digits than its factorization.

921413694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14604.

The product of its digits is 46656, while the sum is 39.

The square root of 921413694 is about 30354.7968861595. The cubic root of 921413694 is about 973.0867390203.

The spelling of 921413694 in words is "nine hundred twenty-one million, four hundred thirteen thousand, six hundred ninety-four".