201604456 has 16 divisors (see below), whose sum is σ = 378447840. Its totient is φ = 100685040.

The previous prime is 201604441. The next prime is 201604457. The reversal of 201604456 is 654406102.

It is not an unprimeable number, because it can be changed into a prime (201604457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7110 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (23652990).

Almost surely, 2^201604456 is an apocalyptic number.

It is an amenable number.

201604456 is a deficient number, since it is larger than the sum of its proper divisors (176843384).

201604456 is a wasteful number, since it uses less digits than its factorization.

201604456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29304 (or 29300 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 201604456 is about 14198.7483955453. The cubic root of 201604456 is about 586.3632036504.

The spelling of 201604456 in words is "two hundred one million, six hundred four thousand, four hundred fifty-six".