2045604 has 24 divisors (see below), whose sum is σ = 5207328. Its totient is φ = 619840.

The previous prime is 2045599. The next prime is 2045609. The reversal of 2045604 is 4065402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2045599) and next prime (2045609).

It is not an unprimeable number, because it can be changed into a prime (2045609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7617 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (216972).

2^2045604 is an apocalyptic number.

It is an amenable number.

2045604 is an abundant number, since it is smaller than the sum of its proper divisors (3161724).

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

2045604 is a wasteful number, since it uses less digits than its factorization.

2045604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15515 (or 15513 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2045604 is about 1430.2461326639. The cubic root of 2045604 is about 126.9425412262.

The spelling of 2045604 in words is "two million, forty-five thousand, six hundred four".