1331604748 has 24 divisors (see below), whose sum is σ = 2394277200. Its totient is φ = 647758848.

The previous prime is 1331604737. The next prime is 1331604749. The reversal of 1331604748 is 8474061331.

It is a super-2 number, since 2×1331604748² = 3546342409792287008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1331604749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6193 + ... + 51976.

It is an arithmetic number, because the mean of its divisors is an integer number (99761550).

Almost surely, 2^1331604748 is an apocalyptic number.

It is an amenable number.

1331604748 is a deficient number, since it is larger than the sum of its proper divisors (1062672452).

1331604748 is a wasteful number, since it uses less digits than its factorization.

1331604748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58329 (or 58327 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1331604748 is about 36491.1598609855. The cubic root of 1331604748 is about 1100.1665720201.

The spelling of 1331604748 in words is "one billion, three hundred thirty-one million, six hundred four thousand, seven hundred forty-eight".