1604416244 has 24 divisors (see below), whose sum is σ = 2933255808. Its totient is φ = 766425440.

The previous prime is 1604416217. The next prime is 1604416277. The reversal of 1604416244 is 4426144061.

It is a super-2 number, since 2×1604416244² = 5148302968022135072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1604416244.

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, 71774 + ... + 91434.

It is an arithmetic number, because the mean of its divisors is an integer number (122218992).

Almost surely, 2^1604416244 is an apocalyptic number.

It is an amenable number.

1604416244 is a deficient number, since it is larger than the sum of its proper divisors (1328839564).

1604416244 is a wasteful number, since it uses less digits than its factorization.

1604416244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20575 (or 20573 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1604416244 is about 40055.1650102705. The cubic root of 1604416244 is about 1170.6822047184.

The spelling of 1604416244 in words is "one billion, six hundred four million, four hundred sixteen thousand, two hundred forty-four".