1604873376 has 36 divisors (see below), whose sum is σ = 4563859482. Its totient is φ = 534957696.

The previous prime is 1604873371. The next prime is 1604873407. The reversal of 1604873376 is 6733784061.

1604873376 is a `hidden beast` number, since 1 + 604 + 8 + 7 + 3 + 37 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1363381776 + 241491600 = 36924^2 + 15540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1604873371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2785951 + ... + 2786526.

Almost surely, 2^1604873376 is an apocalyptic number.

1604873376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1604873376 is an abundant number, since it is smaller than the sum of its proper divisors (2958986106).

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

1604873376 is a wasteful number, since it uses less digits than its factorization.

1604873376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572493 (or 5572482 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 1604873376 is about 40060.8708841932. The cubic root of 1604873376 is about 1170.7933781710.

The spelling of 1604873376 in words is "one billion, six hundred four million, eight hundred seventy-three thousand, three hundred seventy-six".