83909264 has 20 divisors (see below), whose sum is σ = 163291260. Its totient is φ = 41769600.

The previous prime is 83909261. The next prime is 83909311. The reversal of 83909264 is 46290938.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80640400 + 3268864 = 8980^2 + 1808^2 .

It is not an unprimeable number, because it can be changed into a prime (83909261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7787 + ... + 15114.

It is an arithmetic number, because the mean of its divisors is an integer number (8164563).

Almost surely, 2^83909264 is an apocalyptic number.

It is an amenable number.

83909264 is a deficient number, since it is larger than the sum of its proper divisors (79381996).

83909264 is a wasteful number, since it uses less digits than its factorization.

83909264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23138 (or 23132 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 83909264 is about 9160.1999978166. The cubic root of 83909264 is about 437.7941666806.

The spelling of 83909264 in words is "eighty-three million, nine hundred nine thousand, two hundred sixty-four".