1333396988 has 24 divisors (see below), whose sum is σ = 2909230464. Its totient is φ = 519505200.

The previous prime is 1333396973. The next prime is 1333397011. The reversal of 1333396988 is 8896933331.

It is a congruent number.

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, 2164298 + ... + 2164913.

It is an arithmetic number, because the mean of its divisors is an integer number (121217936).

Almost surely, 2^1333396988 is an apocalyptic number.

It is an amenable number.

1333396988 is an abundant number, since it is smaller than the sum of its proper divisors (1575833476).

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

1333396988 is a wasteful number, since it uses less digits than its factorization.

1333396988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329233 (or 4329231 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 53.

The square root of 1333396988 is about 36515.7087840288. The cubic root of 1333396988 is about 1100.6599312760.

The spelling of 1333396988 in words is "one billion, three hundred thirty-three million, three hundred ninety-six thousand, nine hundred eighty-eight".