1604230620 has 48 divisors (see below), whose sum is σ = 4538169888. Its totient is φ = 423383040.

The previous prime is 1604230597. The next prime is 1604230633. The reversal of 1604230620 is 260324061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132001 + ... + 143640.

It is an arithmetic number, because the mean of its divisors is an integer number (94545206).

Almost surely, 2^1604230620 is an apocalyptic number.

1604230620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604230620 is an abundant number, since it is smaller than the sum of its proper divisors (2933939268).

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

1604230620 is a wasteful number, since it uses less digits than its factorization.

1604230620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275750 (or 275748 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1604230620 is about 40052.8478388241. The cubic root of 1604230620 is about 1170.6370553595.

Adding to 1604230620 its reverse (260324061), we get a palindrome (1864554681).

The spelling of 1604230620 in words is "one billion, six hundred four million, two hundred thirty thousand, six hundred twenty".