18407348 has 12 divisors (see below), whose sum is σ = 32242980. Its totient is φ = 9195072.

The previous prime is 18407341. The next prime is 18407357. The reversal of 18407348 is 84370481.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14455204 + 3952144 = 3802^2 + 1988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18407341) 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, 6818 + ... + 9126.

It is an arithmetic number, because the mean of its divisors is an integer number (2686915).

Almost surely, 2^18407348 is an apocalyptic number.

It is an amenable number.

18407348 is a deficient number, since it is larger than the sum of its proper divisors (13835632).

18407348 is a wasteful number, since it uses less digits than its factorization.

18407348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 18407348 is about 4290.3785380780. The cubic root of 18407348 is about 264.0363624538.

The spelling of 18407348 in words is "eighteen million, four hundred seven thousand, three hundred forty-eight".