83499415 has 4 divisors (see below), whose sum is σ = 100199304. Its totient is φ = 66799528.

The previous prime is 83499413. The next prime is 83499469. The reversal of 83499415 is 51499438.

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 83499415 - 2¹ = 83499413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83499413) 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, 8349937 + ... + 8349946.

It is an arithmetic number, because the mean of its divisors is an integer number (25049826).

Almost surely, 2^83499415 is an apocalyptic number.

83499415 is a deficient number, since it is larger than the sum of its proper divisors (16699889).

83499415 is a wasteful number, since it uses less digits than its factorization.

83499415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16699888.

The product of its digits is 155520, while the sum is 43.

The square root of 83499415 is about 9137.8014314166. The cubic root of 83499415 is about 437.0802112118.

The spelling of 83499415 in words is "eighty-three million, four hundred ninety-nine thousand, four hundred fifteen".