18429704 has 8 divisors (see below), whose sum is σ = 34555710. Its totient is φ = 9214848.

The previous prime is 18429689. The next prime is 18429707. The reversal of 18429704 is 40792481.

It can be written as a sum of positive squares in only one way, i.e., 15225604 + 3204100 = 3902^2 + 1790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18429707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151849 + ... + 1151864.

Almost surely, 2^18429704 is an apocalyptic number.

It is an amenable number.

18429704 is a deficient number, since it is larger than the sum of its proper divisors (16126006).

18429704 is a wasteful number, since it uses less digits than its factorization.

18429704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303719 (or 2303715 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 18429704 is about 4292.9831120096. The cubic root of 18429704 is about 264.1432112487.

The spelling of 18429704 in words is "eighteen million, four hundred twenty-nine thousand, seven hundred four".