83964938 has 8 divisors (see below), whose sum is σ = 133356132. Its totient is φ = 39512896.

The previous prime is 83964917. The next prime is 83964941. The reversal of 83964938 is 83946938.

It can be written as a sum of positive squares in 2 ways, for example, as 81414529 + 2550409 = 9023^2 + 1597^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×83964938² = 14100221626687688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234745 + ... + 1234812.

Almost surely, 2^83964938 is an apocalyptic number.

83964938 is a deficient number, since it is larger than the sum of its proper divisors (49391194).

83964938 is a wasteful number, since it uses less digits than its factorization.

83964938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469576.

The product of its digits is 1119744, while the sum is 50.

The square root of 83964938 is about 9163.2384013513. The cubic root of 83964938 is about 437.8909711039.

The spelling of 83964938 in words is "eighty-three million, nine hundred sixty-four thousand, nine hundred thirty-eight".