19930344 has 32 divisors (see below), whose sum is σ = 56944320. Its totient is φ = 5694336.

The previous prime is 19930333. The next prime is 19930381. The reversal of 19930344 is 44303991.

It is a super-2 number, since 2×19930344² = 794437223916672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59149 + ... + 59484.

It is an arithmetic number, because the mean of its divisors is an integer number (1779510).

Almost surely, 2^19930344 is an apocalyptic number.

19930344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19930344 is an abundant number, since it is smaller than the sum of its proper divisors (37013976).

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

19930344 is a wasteful number, since it uses less digits than its factorization.

19930344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118649 (or 118645 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 19930344 is about 4464.3413847957. The cubic root of 19930344 is about 271.1262693208.

The spelling of 19930344 in words is "nineteen million, nine hundred thirty thousand, three hundred forty-four".