1604484 has 36 divisors (see below), whose sum is σ = 4635904. Its totient is φ = 458352.

The previous prime is 1604479. The next prime is 1604497. The reversal of 1604484 is 4844061.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2932 + ... + 3435.

2^1604484 is an apocalyptic number.

1604484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1604484 is an abundant number, since it is smaller than the sum of its proper divisors (3031420).

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

1604484 is a wasteful number, since it uses less digits than its factorization.

1604484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384 (or 6379 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1604484 is about 1266.6822806055. The cubic root of 1604484 is about 117.0698684155.

The spelling of 1604484 in words is "one million, six hundred four thousand, four hundred eighty-four".