18413936 has 10 divisors (see below), whose sum is σ = 35677032. Its totient is φ = 9206960.

The previous prime is 18413929. The next prime is 18413963. The reversal of 18413936 is 63931481.

It is a junction number, because it is equal to n+sod(n) for n = 18413896 and 18413905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575420 + ... + 575451.

Almost surely, 2^18413936 is an apocalyptic number.

18413936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18413936 is a deficient number, since it is larger than the sum of its proper divisors (17263096).

18413936 is a wasteful number, since it uses less digits than its factorization.

18413936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150879 (or 1150873 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 18413936 is about 4291.1462338168. The cubic root of 18413936 is about 264.0678582833.

The spelling of 18413936 in words is "eighteen million, four hundred thirteen thousand, nine hundred thirty-six".