1604242700 has 18 divisors (see below), whose sum is σ = 3481206876. Its totient is φ = 641697040.

The previous prime is 1604242697. The next prime is 1604242729. The reversal of 1604242700 is 72424061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604242700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8021114 + ... + 8021313.

It is an arithmetic number, because the mean of its divisors is an integer number (193400382).

Almost surely, 2^1604242700 is an apocalyptic number.

1604242700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604242700 is an abundant number, since it is smaller than the sum of its proper divisors (1876964176).

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

1604242700 is a wasteful number, since it uses less digits than its factorization.

1604242700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16042441 (or 16042434 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1604242700 is about 40052.9986393029. The cubic root of 1604242700 is about 1170.6399936860.

Adding to 1604242700 its reverse (72424061), we get a palindrome (1676666761).

The spelling of 1604242700 in words is "one billion, six hundred four million, two hundred forty-two thousand, seven hundred".