18949552 has 10 divisors (see below), whose sum is σ = 36714788. Its totient is φ = 9474768.

The previous prime is 18949549. The next prime is 18949571. The reversal of 18949552 is 25594981.

It is a junction number, because it is equal to n+sod(n) for n = 18949499 and 18949508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592158 + ... + 592189.

Almost surely, 2^18949552 is an apocalyptic number.

It is an amenable number.

18949552 is a deficient number, since it is larger than the sum of its proper divisors (17765236).

18949552 is a wasteful number, since it uses less digits than its factorization.

18949552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184355 (or 1184349 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 18949552 is about 4353.1083147563. The cubic root of 18949552 is about 266.6037879524.

The spelling of 18949552 in words is "eighteen million, nine hundred forty-nine thousand, five hundred fifty-two".