18852418 has 16 divisors (see below), whose sum is σ = 31030776. Its totient is φ = 8536320.

The previous prime is 18852413. The next prime is 18852443. The reversal of 18852418 is 81425881.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18037009 + 815409 = 4247^2 + 903^2 .

It is not an unprimeable number, because it can be changed into a prime (18852413) 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, 5463 + ... + 8218.

Almost surely, 2^18852418 is an apocalyptic number.

18852418 is a deficient number, since it is larger than the sum of its proper divisors (12178358).

18852418 is a wasteful number, since it uses less digits than its factorization.

18852418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13749.

The product of its digits is 20480, while the sum is 37.

The square root of 18852418 is about 4341.9371252933. The cubic root of 18852418 is about 266.1474769665.

The spelling of 18852418 in words is "eighteen million, eight hundred fifty-two thousand, four hundred eighteen".