1604470620 has 48 divisors (see below), whose sum is σ = 4511838240. Its totient is φ = 426018816.

The previous prime is 1604470619. The next prime is 1604470633. The reversal of 1604470620 is 260744061.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43405 + ... + 71364.

It is an arithmetic number, because the mean of its divisors is an integer number (93996630).

Almost surely, 2^1604470620 is an apocalyptic number.

1604470620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604470620 is an abundant number, since it is smaller than the sum of its proper divisors (2907367620).

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

1604470620 is a wasteful number, since it uses less digits than its factorization.

1604470620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115014 (or 115012 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1604470620 is about 40055.8437684191. The cubic root of 1604470620 is about 1170.6954299432.

The spelling of 1604470620 in words is "one billion, six hundred four million, four hundred seventy thousand, six hundred twenty".