19868052 has 12 divisors (see below), whose sum is σ = 46358816. Its totient is φ = 6622680.

The previous prime is 19868047. The next prime is 19868063. The reversal of 19868052 is 25086891.

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 19868052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827824 + ... + 827847.

Almost surely, 2^19868052 is an apocalyptic number.

19868052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19868052 is an abundant number, since it is smaller than the sum of its proper divisors (26490764).

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

19868052 is a wasteful number, since it uses less digits than its factorization.

19868052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655678 (or 1655676 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 19868052 is about 4457.3593079311. The cubic root of 19868052 is about 270.8435074574.

The spelling of 19868052 in words is "nineteen million, eight hundred sixty-eight thousand, fifty-two".