82902649 has 8 divisors (see below), whose sum is σ = 89298432. Its totient is φ = 76739520.

The previous prime is 82902601. The next prime is 82902671. The reversal of 82902649 is 94620928.

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

It is a cyclic number.

It is not a de Polignac number, because 82902649 - 2¹⁵ = 82869881 is a prime.

It is a super-2 number, since 2×82902649² = 13745698422434402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82902049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57424 + ... + 58849.

It is an arithmetic number, because the mean of its divisors is an integer number (11162304).

Almost surely, 2^82902649 is an apocalyptic number.

It is an amenable number.

82902649 is a deficient number, since it is larger than the sum of its proper divisors (6395783).

82902649 is a wasteful number, since it uses less digits than its factorization.

82902649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116327.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 82902649 is about 9105.0891813315. The cubic root of 82902649 is about 436.0364574766.

The spelling of 82902649 in words is "eighty-two million, nine hundred two thousand, six hundred forty-nine".