82986415 has 8 divisors (see below), whose sum is σ = 103913568. Its totient is φ = 63502560.

The previous prime is 82986403. The next prime is 82986427. The reversal of 82986415 is 51468928.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82986403) and next prime (82986427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82986415 - 2¹³ = 82978223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360696 + ... + 360925.

It is an arithmetic number, because the mean of its divisors is an integer number (12989196).

Almost surely, 2^82986415 is an apocalyptic number.

82986415 is a deficient number, since it is larger than the sum of its proper divisors (20927153).

82986415 is a wasteful number, since it uses less digits than its factorization.

82986415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721649.

The product of its digits is 138240, while the sum is 43.

The square root of 82986415 is about 9109.6879748979. The cubic root of 82986415 is about 436.1832671602.

The spelling of 82986415 in words is "eighty-two million, nine hundred eighty-six thousand, four hundred fifteen".