18428362 has 4 divisors (see below), whose sum is σ = 27642546. Its totient is φ = 9214180.

The previous prime is 18428341. The next prime is 18428413. The reversal of 18428362 is 26382481.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9790641 + 8637721 = 3129^2 + 2939^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4607089 + ... + 4607092.

Almost surely, 2^18428362 is an apocalyptic number.

18428362 is a deficient number, since it is larger than the sum of its proper divisors (9214184).

18428362 is an equidigital number, since it uses as much as digits as its factorization.

18428362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214183.

The product of its digits is 18432, while the sum is 34.

The square root of 18428362 is about 4292.8268075943. The cubic root of 18428362 is about 264.1367997007.

The spelling of 18428362 in words is "eighteen million, four hundred twenty-eight thousand, three hundred sixty-two".