921001014 has 24 divisors (see below), whose sum is σ = 2017927080. Its totient is φ = 303550368.

The previous prime is 921001007. The next prime is 921001031. The reversal of 921001014 is 410100129.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285852 + ... + 289055.

It is an arithmetic number, because the mean of its divisors is an integer number (84080295).

Almost surely, 2^921001014 is an apocalyptic number.

921001014 is an abundant number, since it is smaller than the sum of its proper divisors (1096926066).

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

921001014 is a wasteful number, since it uses less digits than its factorization.

921001014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575004 (or 575001 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 921001014 is about 30347.9985172004. The cubic root of 921001014 is about 972.9414429371.

The spelling of 921001014 in words is "nine hundred twenty-one million, one thousand, fourteen".