18248474 has 16 divisors (see below), whose sum is σ = 29594400. Its totient is φ = 8409744.

The previous prime is 18248473. The next prime is 18248479. The reversal of 18248474 is 47484281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18248473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5084 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (1849650).

Almost surely, 2^18248474 is an apocalyptic number.

18248474 is a deficient number, since it is larger than the sum of its proper divisors (11345926).

18248474 is a wasteful number, since it uses less digits than its factorization.

18248474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037.

The product of its digits is 57344, while the sum is 38.

The square root of 18248474 is about 4271.8232641344. The cubic root of 18248474 is about 263.2745329732.

The spelling of 18248474 in words is "eighteen million, two hundred forty-eight thousand, four hundred seventy-four".