18969704 has 32 divisors (see below), whose sum is σ = 38556000. Its totient is φ = 8697792.

The previous prime is 18969701. The next prime is 18969767. The reversal of 18969704 is 40796981.

It is not an unprimeable number, because it can be changed into a prime (18969701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18107 + ... + 19125.

It is an arithmetic number, because the mean of its divisors is an integer number (1204875).

Almost surely, 2^18969704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18969704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19278000).

18969704 is an abundant number, since it is smaller than the sum of its proper divisors (19586296).

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

18969704 is a wasteful number, since it uses less digits than its factorization.

18969704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 18969704 is about 4355.4223675781. The cubic root of 18969704 is about 266.6982615342.

The spelling of 18969704 in words is "eighteen million, nine hundred sixty-nine thousand, seven hundred four".