1604828444 has 12 divisors (see below), whose sum is σ = 2809551024. Its totient is φ = 802099584.

The previous prime is 1604828387. The next prime is 1604828461. The reversal of 1604828444 is 4448284061.

It is a super-2 number, since 2×1604828444² = 5150948669342922272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66992 + ... + 87735.

It is an arithmetic number, because the mean of its divisors is an integer number (234129252).

Almost surely, 2^1604828444 is an apocalyptic number.

It is an amenable number.

1604828444 is a deficient number, since it is larger than the sum of its proper divisors (1204722580).

1604828444 is a wasteful number, since it uses less digits than its factorization.

1604828444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157324 (or 157322 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 41.

The square root of 1604828444 is about 40060.3100836726. The cubic root of 1604828444 is about 1170.7824517474.

The spelling of 1604828444 in words is "one billion, six hundred four million, eight hundred twenty-eight thousand, four hundred forty-four".