83939474 has 8 divisors (see below), whose sum is σ = 126605388. Its totient is φ = 41737680.

The previous prime is 83939447. The next prime is 83939497. The reversal of 83939474 is 47493938.

It can be written as a sum of positive squares in 2 ways, for example, as 75777025 + 8162449 = 8705^2 + 2857^2 .

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

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, 115577 + ... + 116300.

Almost surely, 2^83939474 is an apocalyptic number.

83939474 is a deficient number, since it is larger than the sum of its proper divisors (42665914).

83939474 is a wasteful number, since it uses less digits than its factorization.

83939474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232060.

The product of its digits is 653184, while the sum is 47.

The square root of 83939474 is about 9161.8488308856. The cubic root of 83939474 is about 437.8467003113.

The spelling of 83939474 in words is "eighty-three million, nine hundred thirty-nine thousand, four hundred seventy-four".