18084628 has 6 divisors (see below), whose sum is σ = 31648106. Its totient is φ = 9042312.

The previous prime is 18084611. The next prime is 18084629. The reversal of 18084628 is 82648081.

It can be written as a sum of positive squares in only one way, i.e., 17288964 + 795664 = 4158^2 + 892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18084629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260575 + ... + 2260582.

Almost surely, 2^18084628 is an apocalyptic number.

It is an amenable number.

18084628 is a deficient number, since it is larger than the sum of its proper divisors (13563478).

18084628 is a wasteful number, since it uses less digits than its factorization.

18084628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521161 (or 4521159 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 18084628 is about 4252.6024972950. The cubic root of 18084628 is about 262.4842161333.

The spelling of 18084628 in words is "eighteen million, eighty-four thousand, six hundred twenty-eight".