1604372 has 24 divisors (see below), whose sum is σ = 3501120. Its totient is φ = 624960.

The previous prime is 1604359. The next prime is 1604381. The reversal of 1604372 is 2734061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (145880).

2^1604372 is an apocalyptic number.

It is an amenable number.

1604372 is an abundant number, since it is smaller than the sum of its proper divisors (1896748).

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

1604372 is a wasteful number, since it uses less digits than its factorization.

1604372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1604372 is about 1266.6380698526. The cubic root of 1604372 is about 117.0671443558.

The spelling of 1604372 in words is "one million, six hundred four thousand, three hundred seventy-two".