83961562 has 8 divisors (see below), whose sum is σ = 126595476. Its totient is φ = 41763072.

The previous prime is 83961557. The next prime is 83961611. The reversal of 83961562 is 26516938.

It can be written as a sum of positive squares in 2 ways, for example, as 80084601 + 3876961 = 8949^2 + 1969^2 .

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

It is an unprimeable number.

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, 108373 + ... + 109144.

Almost surely, 2^83961562 is an apocalyptic number.

83961562 is a deficient number, since it is larger than the sum of its proper divisors (42633914).

83961562 is a wasteful number, since it uses less digits than its factorization.

83961562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217712.

The product of its digits is 77760, while the sum is 40.

The square root of 83961562 is about 9163.0541851503. The cubic root of 83961562 is about 437.8851022267.

The spelling of 83961562 in words is "eighty-three million, nine hundred sixty-one thousand, five hundred sixty-two".