82409302 has 8 divisors (see below), whose sum is σ = 130885416. Its totient is φ = 38780832.

The previous prime is 82409293. The next prime is 82409309. The reversal of 82409302 is 20390428.

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

It is a super-2 number, since 2×82409302² = 13582586112254408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82409309) 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, 1211868 + ... + 1211935.

It is an arithmetic number, because the mean of its divisors is an integer number (16360677).

Almost surely, 2^82409302 is an apocalyptic number.

82409302 is a deficient number, since it is larger than the sum of its proper divisors (48476114).

82409302 is a wasteful number, since it uses less digits than its factorization.

82409302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423822.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 82409302 is about 9077.9569287368. The cubic root of 82409302 is about 435.1697967512.

The spelling of 82409302 in words is "eighty-two million, four hundred nine thousand, three hundred two".