18932946 has 16 divisors (see below), whose sum is σ = 37913664. Its totient is φ = 6303024.

The previous prime is 18932929. The next prime is 18932959. The reversal of 18932946 is 64923981.

It is a junction number, because it is equal to n+sod(n) for n = 18932898 and 18932907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5115 + ... + 8001.

It is an arithmetic number, because the mean of its divisors is an integer number (2369604).

Almost surely, 2^18932946 is an apocalyptic number.

18932946 is an abundant number, since it is smaller than the sum of its proper divisors (18980718).

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

18932946 is a wasteful number, since it uses less digits than its factorization.

18932946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985.

The product of its digits is 93312, while the sum is 42.

The square root of 18932946 is about 4351.2005239933. The cubic root of 18932946 is about 266.5258878458.

The spelling of 18932946 in words is "eighteen million, nine hundred thirty-two thousand, nine hundred forty-six".