83406172 has 12 divisors (see below), whose sum is σ = 147601440. Its totient is φ = 41234336.

The previous prime is 83406161. The next prime is 83406173. The reversal of 83406172 is 27160438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83406173) 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, 116788 + ... + 117499.

It is an arithmetic number, because the mean of its divisors is an integer number (12300120).

Almost surely, 2^83406172 is an apocalyptic number.

It is an amenable number.

83406172 is a deficient number, since it is larger than the sum of its proper divisors (64195268).

83406172 is a wasteful number, since it uses less digits than its factorization.

83406172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234380 (or 234378 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 83406172 is about 9132.6979584348. The cubic root of 83406172 is about 436.9174561806.

The spelling of 83406172 in words is "eighty-three million, four hundred six thousand, one hundred seventy-two".