18846964 has 6 divisors (see below), whose sum is σ = 32982194. Its totient is φ = 9423480.

The previous prime is 18846941. The next prime is 18846967. The reversal of 18846964 is 46964881.

It can be written as a sum of positive squares in only one way, i.e., 16744464 + 2102500 = 4092^2 + 1450^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18846967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2355867 + ... + 2355874.

Almost surely, 2^18846964 is an apocalyptic number.

It is an amenable number.

18846964 is a deficient number, since it is larger than the sum of its proper divisors (14135230).

18846964 is a wasteful number, since it uses less digits than its factorization.

18846964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711745 (or 4711743 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 18846964 is about 4341.3090191784. The cubic root of 18846964 is about 266.1218090240.

The spelling of 18846964 in words is "eighteen million, eight hundred forty-six thousand, nine hundred sixty-four".