18470424 has 32 divisors (see below), whose sum is σ = 52773120. Its totient is φ = 5277216.

The previous prime is 18470423. The next prime is 18470467. The reversal of 18470424 is 42407481.

It is a junction number, because it is equal to n+sod(n) for n = 18470391 and 18470400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18470423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54804 + ... + 55139.

It is an arithmetic number, because the mean of its divisors is an integer number (1649160).

Almost surely, 2^18470424 is an apocalyptic number.

18470424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18470424 is an abundant number, since it is smaller than the sum of its proper divisors (34302696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18470424 is a wasteful number, since it uses less digits than its factorization.

18470424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109959 (or 109955 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 18470424 is about 4297.7231181173. The cubic root of 18470424 is about 264.3376075636.

The spelling of 18470424 in words is "eighteen million, four hundred seventy thousand, four hundred twenty-four".