18248874 has 24 divisors (see below), whose sum is σ = 42457248. Its totient is φ = 5213880.

The previous prime is 18248849. The next prime is 18248891. The reversal of 18248874 is 47884281.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30742 + ... + 31329.

It is an arithmetic number, because the mean of its divisors is an integer number (1769052).

Almost surely, 2^18248874 is an apocalyptic number.

18248874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18248874 is an abundant number, since it is smaller than the sum of its proper divisors (24208374).

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

18248874 is a wasteful number, since it uses less digits than its factorization.

18248874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62090 (or 62083 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 18248874 is about 4271.8700822942. The cubic root of 18248874 is about 263.2764565869.

The spelling of 18248874 in words is "eighteen million, two hundred forty-eight thousand, eight hundred seventy-four".