83946831 has 4 divisors (see below), whose sum is σ = 111929112. Its totient is φ = 55964552.

The previous prime is 83946829. The next prime is 83946839. The reversal of 83946831 is 13864938.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83946831 - 2¹ = 83946829 is a prime.

It is a super-2 number, since 2×83946831² = 14094140869885122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83946839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13991136 + ... + 13991141.

It is an arithmetic number, because the mean of its divisors is an integer number (27982278).

Almost surely, 2^83946831 is an apocalyptic number.

83946831 is a deficient number, since it is larger than the sum of its proper divisors (27982281).

83946831 is a wasteful number, since it uses less digits than its factorization.

83946831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27982280.

The product of its digits is 124416, while the sum is 42.

The square root of 83946831 is about 9162.2503240197. The cubic root of 83946831 is about 437.8594918459.

It can be divided in two parts, 8394 and 6831, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 83946831 in words is "eighty-three million, nine hundred forty-six thousand, eight hundred thirty-one".