18898052 has 6 divisors (see below), whose sum is σ = 33071598. Its totient is φ = 9449024.

The previous prime is 18898049. The next prime is 18898069. The reversal of 18898052 is 25089881.

It can be written as a sum of positive squares in only one way, i.e., 13060996 + 5837056 = 3614^2 + 2416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2362253 + ... + 2362260.

It is an arithmetic number, because the mean of its divisors is an integer number (5511933).

Almost surely, 2^18898052 is an apocalyptic number.

It is an amenable number.

18898052 is a deficient number, since it is larger than the sum of its proper divisors (14173546).

18898052 is a wasteful number, since it uses less digits than its factorization.

18898052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724517 (or 4724515 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 18898052 is about 4347.1889767987. The cubic root of 18898052 is about 266.3620486899.

The spelling of 18898052 in words is "eighteen million, eight hundred ninety-eight thousand, fifty-two".