18876946 has 8 divisors (see below), whose sum is σ = 30889584. Its totient is φ = 8580420.

The previous prime is 18876943. The next prime is 18876967. The reversal of 18876946 is 64967881.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18876946.

It is not an unprimeable number, because it can be changed into a prime (18876943) 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, 429000 + ... + 429043.

It is an arithmetic number, because the mean of its divisors is an integer number (3861198).

Almost surely, 2^18876946 is an apocalyptic number.

18876946 is a deficient number, since it is larger than the sum of its proper divisors (12012638).

18876946 is a wasteful number, since it uses less digits than its factorization.

18876946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858056.

The product of its digits is 580608, while the sum is 49.

The square root of 18876946 is about 4344.7607529069. The cubic root of 18876946 is about 266.2628509597.

The spelling of 18876946 in words is "eighteen million, eight hundred seventy-six thousand, nine hundred forty-six".