19420932 has 12 divisors (see below), whose sum is σ = 45315536. Its totient is φ = 6473640.

The previous prime is 19420927. The next prime is 19420939. The reversal of 19420932 is 23902491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 19420932.

It is not an unprimeable number, because it can be changed into a prime (19420939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809194 + ... + 809217.

Almost surely, 2^19420932 is an apocalyptic number.

19420932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19420932 is an abundant number, since it is smaller than the sum of its proper divisors (25894604).

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

19420932 is a wasteful number, since it uses less digits than its factorization.

19420932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618418 (or 1618416 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 19420932 is about 4406.9186513935. The cubic root of 19420932 is about 268.7963430448.

The spelling of 19420932 in words is "nineteen million, four hundred twenty thousand, nine hundred thirty-two".