1333397028 has 24 divisors (see below), whose sum is σ = 3112450432. Its totient is φ = 444295584.

The previous prime is 1333397011. The next prime is 1333397033. The reversal of 1333397028 is 8207933331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13701 + ... + 53427.

Almost surely, 2^1333397028 is an apocalyptic number.

It is an amenable number.

1333397028 is an abundant number, since it is smaller than the sum of its proper divisors (1779053404).

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

1333397028 is a wasteful number, since it uses less digits than its factorization.

1333397028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42531 (or 42529 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 1333397028 is about 36515.7093317383. The cubic root of 1333397028 is about 1100.6599422821.

The spelling of 1333397028 in words is "one billion, three hundred thirty-three million, three hundred ninety-seven thousand, twenty-eight".