1604319048 has 112 divisors (see below), whose sum is σ = 4532889600. Its totient is φ = 532072800.

The previous prime is 1604318983. The next prime is 1604319077. The reversal of 1604319048 is 8409134061.

1604319048 is a `hidden beast` number, since 1 + 604 + 3 + 1 + 9 + 0 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1393273 + ... + 1394423.

Almost surely, 2^1604319048 is an apocalyptic number.

1604319048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604319048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266444800).

1604319048 is an abundant number, since it is smaller than the sum of its proper divisors (2928570552).

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

1604319048 is a wasteful number, since it uses less digits than its factorization.

1604319048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1604319048 is about 40053.9517151554. The cubic root of 1604319048 is about 1170.6585641522.

The spelling of 1604319048 in words is "one billion, six hundred four million, three hundred nineteen thousand, forty-eight".