83230439 has 4 divisors (see below), whose sum is σ = 84370656. Its totient is φ = 82090224.

The previous prime is 83230429. The next prime is 83230447. The reversal of 83230439 is 93403238.

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 83230439 - 2⁴ = 83230423 is a prime.

It is a super-2 number, since 2×83230439² = 13854611952265442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83230429) 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, 569999 + ... + 570144.

It is an arithmetic number, because the mean of its divisors is an integer number (21092664).

Almost surely, 2^83230439 is an apocalyptic number.

83230439 is a deficient number, since it is larger than the sum of its proper divisors (1140217).

83230439 is a wasteful number, since it uses less digits than its factorization.

83230439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140216.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 83230439 is about 9123.0717962756. The cubic root of 83230439 is about 436.6103853678.

The spelling of 83230439 in words is "eighty-three million, two hundred thirty thousand, four hundred thirty-nine".