18868302 has 20 divisors (see below), whose sum is σ = 42279336. Its totient is φ = 6289380.

The previous prime is 18868301. The next prime is 18868309. The reversal of 18868302 is 20386881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18868301) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 58074 + ... + 58397.

Almost surely, 2^18868302 is an apocalyptic number.

18868302 is an abundant number, since it is smaller than the sum of its proper divisors (23411034).

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

18868302 is a wasteful number, since it uses less digits than its factorization.

18868302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116485 (or 116476 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 18868302 is about 4343.7658776688. The cubic root of 18868302 is about 266.2222030096. Note that the first 4 decimals are identical.

The spelling of 18868302 in words is "eighteen million, eight hundred sixty-eight thousand, three hundred two".