1604370 has 16 divisors (see below), whose sum is σ = 3850560. Its totient is φ = 427824.

The previous prime is 1604359. The next prime is 1604381. The reversal of 1604370 is 734061.

It is an interprime number because it is at equal distance from previous prime (1604359) and next prime (1604381).

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, 26710 + ... + 26769.

It is an arithmetic number, because the mean of its divisors is an integer number (240660).

2^1604370 is an apocalyptic number.

1604370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1604370 is an abundant number, since it is smaller than the sum of its proper divisors (2246190).

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

1604370 is a wasteful number, since it uses less digits than its factorization.

1604370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53489.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1604370 is about 1266.6372803609. The cubic root of 1604370 is about 117.0670957108.

The spelling of 1604370 in words is "one million, six hundred four thousand, three hundred seventy".