18270948 has 12 divisors (see below), whose sum is σ = 42632240. Its totient is φ = 6090312.

The previous prime is 18270893. The next prime is 18270961. The reversal of 18270948 is 84907281.

It is a tau number, because it is divible by the number of its divisors (12).

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, 761278 + ... + 761301.

Almost surely, 2^18270948 is an apocalyptic number.

It is an amenable number.

18270948 is an abundant number, since it is smaller than the sum of its proper divisors (24361292).

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

18270948 is a wasteful number, since it uses less digits than its factorization.

18270948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522586 (or 1522584 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 18270948 is about 4274.4529474542. The cubic root of 18270948 is about 263.3825676605.

The spelling of 18270948 in words is "eighteen million, two hundred seventy thousand, nine hundred forty-eight".