83489715 has 12 divisors (see below), whose sum is σ = 144715584. Its totient is φ = 44527824.

The previous prime is 83489699. The next prime is 83489759. The reversal of 83489715 is 51798438.

It is not a de Polignac number, because 83489715 - 2⁴ = 83489699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1855327 = 83489715 / (8 + 3 + 4 + 8 + 9 + 7 + 1 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927619 + ... + 927708.

It is an arithmetic number, because the mean of its divisors is an integer number (12059632).

Almost surely, 2^83489715 is an apocalyptic number.

83489715 is a deficient number, since it is larger than the sum of its proper divisors (61225869).

83489715 is a wasteful number, since it uses less digits than its factorization.

83489715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855338 (or 1855335 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 83489715 is about 9137.2706537565. The cubic root of 83489715 is about 437.0632855753.

The spelling of 83489715 in words is "eighty-three million, four hundred eighty-nine thousand, seven hundred fifteen".