18496942 has 8 divisors (see below), whose sum is σ = 27830232. Its totient is φ = 9220200.

The previous prime is 18496939. The next prime is 18496949. The reversal of 18496942 is 24969481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18496949) 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, 13309 + ... + 14632.

It is an arithmetic number, because the mean of its divisors is an integer number (3478779).

Almost surely, 2^18496942 is an apocalyptic number.

18496942 is a deficient number, since it is larger than the sum of its proper divisors (9333290).

18496942 is a wasteful number, since it uses less digits than its factorization.

18496942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its digits is 124416, while the sum is 43.

The square root of 18496942 is about 4300.8071335506. The cubic root of 18496942 is about 264.4640502978.

The spelling of 18496942 in words is "eighteen million, four hundred ninety-six thousand, nine hundred forty-two".