1604232232 has 16 divisors (see below), whose sum is σ = 3049141140. Its totient is φ = 791127936.

The previous prime is 1604232193. The next prime is 1604232257. The reversal of 1604232232 is 2322324061.

It can be written as a sum of positive squares in 2 ways, for example, as 1468882276 + 135349956 = 38326^2 + 11634^2 .

It is a super-2 number, since 2×1604232232² = 5147122108375403648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1604232197 and 1604232206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372903 + ... + 1374070.

Almost surely, 2^1604232232 is an apocalyptic number.

It is an amenable number.

1604232232 is a deficient number, since it is larger than the sum of its proper divisors (1444908908).

1604232232 is a wasteful number, since it uses less digits than its factorization.

1604232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747052 (or 2747048 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1604232232 is about 40052.8679622321. The cubic root of 1604232232 is about 1170.6374474615.

Adding to 1604232232 its reverse (2322324061), we get a palindrome (3926556293).

The spelling of 1604232232 in words is "one billion, six hundred four million, two hundred thirty-two thousand, two hundred thirty-two".