83390499 has 8 divisors (see below), whose sum is σ = 123541520. Its totient is φ = 55593648.

The previous prime is 83390473. The next prime is 83390509. The reversal of 83390499 is 99409338.

It is not a de Polignac number, because 83390499 - 2⁷ = 83390371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83390429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544242 + ... + 1544295.

It is an arithmetic number, because the mean of its divisors is an integer number (15442690).

Almost surely, 2^83390499 is an apocalyptic number.

83390499 is a deficient number, since it is larger than the sum of its proper divisors (40151021).

83390499 is a wasteful number, since it uses less digits than its factorization.

83390499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088546 (or 3088540 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 83390499 is about 9131.8398474787. The cubic root of 83390499 is about 436.8900871579.

The spelling of 83390499 in words is "eighty-three million, three hundred ninety thousand, four hundred ninety-nine".