19389652 has 12 divisors (see below), whose sum is σ = 35717920. Its totient is φ = 9184536.

The previous prime is 19389641. The next prime is 19389691. The reversal of 19389652 is 25698391.

It is a happy number.

It is a super-2 number, since 2×19389652² = 751917209362208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19389599 and 19389608.

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, 127488 + ... + 127639.

Almost surely, 2^19389652 is an apocalyptic number.

It is an amenable number.

19389652 is a deficient number, since it is larger than the sum of its proper divisors (16328268).

19389652 is a wasteful number, since it uses less digits than its factorization.

19389652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255150 (or 255148 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 19389652 is about 4403.3682562329. The cubic root of 19389652 is about 268.6519547168.

The spelling of 19389652 in words is "nineteen million, three hundred eighty-nine thousand, six hundred fifty-two".