311984796 has 12 divisors (see below), whose sum is σ = 727964552. Its totient is φ = 103994928.

The previous prime is 311984779. The next prime is 311984797. The reversal of 311984796 is 697489113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311984797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12999355 + ... + 12999378.

Almost surely, 2^311984796 is an apocalyptic number.

It is an amenable number.

311984796 is an abundant number, since it is smaller than the sum of its proper divisors (415979756).

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

311984796 is a wasteful number, since it uses less digits than its factorization.

311984796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25998740 (or 25998738 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 311984796 is about 17663.0913489117. The cubic root of 311984796 is about 678.2312713344.

The spelling of 311984796 in words is "three hundred eleven million, nine hundred eighty-four thousand, seven hundred ninety-six".