18946704 has 160 divisors (see below), whose sum is σ = 61710336. Its totient is φ = 4884480.

The previous prime is 18946693. The next prime is 18946723. The reversal of 18946704 is 40764981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177019 + ... + 177125.

Almost surely, 2^18946704 is an apocalyptic number.

18946704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18946704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30855168).

18946704 is an abundant number, since it is smaller than the sum of its proper divisors (42763632).

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

18946704 is a wasteful number, since it uses less digits than its factorization.

18946704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 18946704 is about 4352.7811798895. The cubic root of 18946704 is about 266.5904309853.

The spelling of 18946704 in words is "eighteen million, nine hundred forty-six thousand, seven hundred four".