1604652 has 36 divisors (see below), whose sum is σ = 4357080. Its totient is φ = 458304.

The previous prime is 1604651. The next prime is 1604711. The reversal of 1604652 is 2564061.

It is a super-2 number, since 2×1604652² = 5149816082208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1604651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (121030).

2^1604652 is an apocalyptic number.

1604652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604652 is an abundant number, since it is smaller than the sum of its proper divisors (2752428).

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

1604652 is a wasteful number, since it uses less digits than its factorization.

1604652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1604652 is about 1266.7485938417. The cubic root of 1604652 is about 117.0739542673.

The spelling of 1604652 in words is "one million, six hundred four thousand, six hundred fifty-two".