18670948 has 12 divisors (see below), whose sum is σ = 33011692. Its totient is φ = 9239040.

The previous prime is 18670943. The next prime is 18670973. The reversal of 18670948 is 84907681.

It can be written as a sum of positive squares in 2 ways, for example, as 11009124 + 7661824 = 3318^2 + 2768^2 .

It is not an unprimeable number, because it can be changed into a prime (18670943) 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, 23673 + ... + 24448.

Almost surely, 2^18670948 is an apocalyptic number.

It is an amenable number.

18670948 is a deficient number, since it is larger than the sum of its proper divisors (14340744).

18670948 is a wasteful number, since it uses less digits than its factorization.

18670948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48222 (or 48220 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 18670948 is about 4320.9892385888. The cubic root of 18670948 is about 265.2907595360.

The spelling of 18670948 in words is "eighteen million, six hundred seventy thousand, nine hundred forty-eight".