1604002470 has 64 divisors (see below), whose sum is σ = 4551275520. Its totient is φ = 353985408.

The previous prime is 1604002459. The next prime is 1604002487. The reversal of 1604002470 is 742004061.

It is a super-2 number, since 2×1604002470² = 5145647847532201800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1604002470.

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 31 ways as a sum of consecutive naturals, for example, 125602 + ... + 137781.

It is an arithmetic number, because the mean of its divisors is an integer number (71113680).

Almost surely, 2^1604002470 is an apocalyptic number.

1604002470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1604002470 is an abundant number, since it is smaller than the sum of its proper divisors (2947273050).

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

1604002470 is a wasteful number, since it uses less digits than its factorization.

1604002470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263429.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1604002470 is about 40049.9996254682. Note that the first 3 decimals coincide. The cubic root of 1604002470 is about 1170.5815576226.

The spelling of 1604002470 in words is "one billion, six hundred four million, two thousand, four hundred seventy".