1602004392 has 160 divisors (see below), whose sum is σ = 4658233800. Its totient is φ = 513962496.

The previous prime is 1602004381. The next prime is 1602004421. The reversal of 1602004392 is 2934002061.

It can be written as a sum of positive squares in 4 ways, for example, as 1325979396 + 276024996 = 36414^2 + 16614^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2613078 + ... + 2613690.

Almost surely, 2^1602004392 is an apocalyptic number.

1602004392 is a gapful number since it is divisible by the number (12) 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 1602004392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2329116900).

1602004392 is an abundant number, since it is smaller than the sum of its proper divisors (3056229408).

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

1602004392 is a wasteful number, since it uses less digits than its factorization.

1602004392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1602004392 is about 40025.0470580610. The cubic root of 1602004392 is about 1170.0952979576.

The spelling of 1602004392 in words is "one billion, six hundred two million, four thousand, three hundred ninety-two".