19791054 has 20 divisors (see below), whose sum is σ = 44346984. Its totient is φ = 6596964.

The previous prime is 19791049. The next prime is 19791067. The reversal of 19791054 is 45019791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60922 + ... + 61245.

Almost surely, 2^19791054 is an apocalyptic number.

19791054 is an abundant number, since it is smaller than the sum of its proper divisors (24555930).

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

19791054 is a wasteful number, since it uses less digits than its factorization.

19791054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122181 (or 122172 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 19791054 is about 4448.7137466913. The cubic root of 19791054 is about 270.4931727133.

The spelling of 19791054 in words is "nineteen million, seven hundred ninety-one thousand, fifty-four".