19642152 has 32 divisors (see below), whose sum is σ = 49416480. Its totient is φ = 6505920.

The previous prime is 19642141. The next prime is 19642159. The reversal of 19642152 is 25124691.

It is a super-2 number, since 2×19642152² = 771628270382208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19642159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (1544265).

Almost surely, 2^19642152 is an apocalyptic number.

19642152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19642152 is an abundant number, since it is smaller than the sum of its proper divisors (29774328).

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

19642152 is a wasteful number, since it uses less digits than its factorization.

19642152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193 (or 5189 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 19642152 is about 4431.9467505826. The cubic root of 19642152 is about 269.8130942395.

The spelling of 19642152 in words is "nineteen million, six hundred forty-two thousand, one hundred fifty-two".