83084431 has 4 divisors (see below), whose sum is σ = 83122264. Its totient is φ = 83046600.

The previous prime is 83084429. The next prime is 83084459. The reversal of 83084431 is 13448038.

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 83084431 - 2¹ = 83084429 is a prime.

It is a super-2 number, since 2×83084431² = 13806045349187522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83084393 and 83084402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83034431) 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, 15405 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (20780566).

Almost surely, 2^83084431 is an apocalyptic number.

83084431 is a deficient number, since it is larger than the sum of its proper divisors (37833).

83084431 is a wasteful number, since it uses less digits than its factorization.

83084431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37832.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 83084431 is about 9115.0661544500. The cubic root of 83084431 is about 436.3549262532.

The spelling of 83084431 in words is "eighty-three million, eighty-four thousand, four hundred thirty-one".