18818032 has 10 divisors (see below), whose sum is σ = 36459968. Its totient is φ = 9409008.

The previous prime is 18818029. The next prime is 18818069. The reversal of 18818032 is 23081881.

It is a junction number, because it is equal to n+sod(n) for n = 18817985 and 18818003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 588048 + ... + 588079.

Almost surely, 2^18818032 is an apocalyptic number.

It is an amenable number.

18818032 is a deficient number, since it is larger than the sum of its proper divisors (17641936).

18818032 is a wasteful number, since it uses less digits than its factorization.

18818032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176135 (or 1176129 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 18818032 is about 4337.9755647076. The cubic root of 18818032 is about 265.9855646339.

The spelling of 18818032 in words is "eighteen million, eight hundred eighteen thousand, thirty-two".