18469424 has 10 divisors (see below), whose sum is σ = 35784540. Its totient is φ = 9234704.

The previous prime is 18469411. The next prime is 18469439. The reversal of 18469424 is 42496481.

It is a super-2 number, since 2×18469424² = 682239245783552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577154 + ... + 577185.

It is an arithmetic number, because the mean of its divisors is an integer number (3578454).

Almost surely, 2^18469424 is an apocalyptic number.

It is an amenable number.

18469424 is a deficient number, since it is larger than the sum of its proper divisors (17315116).

18469424 is a wasteful number, since it uses less digits than its factorization.

18469424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154347 (or 1154341 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 18469424 is about 4297.6067758696. The cubic root of 18469424 is about 264.3328370112.

The spelling of 18469424 in words is "eighteen million, four hundred sixty-nine thousand, four hundred twenty-four".