18853407 has 12 divisors (see below), whose sum is σ = 27415024. Its totient is φ = 12484800.

The previous prime is 18853397. The next prime is 18853409. The reversal of 18853407 is 70435881.

It is not a de Polignac number, because 18853407 - 2⁷ = 18853279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5578 + ... + 8295.

Almost surely, 2^18853407 is an apocalyptic number.

18853407 is a deficient number, since it is larger than the sum of its proper divisors (8561617).

18853407 is a wasteful number, since it uses less digits than its factorization.

18853407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14030 (or 14027 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 18853407 is about 4342.0510130582. The cubic root of 18853407 is about 266.1521309275.

The spelling of 18853407 in words is "eighteen million, eight hundred fifty-three thousand, four hundred seven".