18426976 has 24 divisors (see below), whose sum is σ = 36492120. Its totient is φ = 9159168.

The previous prime is 18426973. The next prime is 18427021. The reversal of 18426976 is 67962481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18426971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (1520505).

Almost surely, 2^18426976 is an apocalyptic number.

18426976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18426976 is a deficient number, since it is larger than the sum of its proper divisors (18065144).

18426976 is a wasteful number, since it uses less digits than its factorization.

18426976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406 (or 3398 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 18426976 is about 4292.6653724697. The cubic root of 18426976 is about 264.1301776113.

The spelling of 18426976 in words is "eighteen million, four hundred twenty-six thousand, nine hundred seventy-six".