82630369 has 4 divisors (see below), whose sum is σ = 82668996. Its totient is φ = 82591744.

The previous prime is 82630351. The next prime is 82630397. The reversal of 82630369 is 96303628.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50594769 + 32035600 = 7113^2 + 5660^2 .

It is a 3-Lehmer number, since φ(82630369) divides (82630369-1)³.

It is a cyclic number.

It is not a de Polignac number, because 82630369 - 2⁵ = 82630337 is a prime.

It is a super-2 number, since 2×82630369² = 13655555762152322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82630169) 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, 15904 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (20667249).

Almost surely, 2^82630369 is an apocalyptic number.

It is an amenable number.

82630369 is a deficient number, since it is larger than the sum of its proper divisors (38627).

82630369 is a wasteful number, since it uses less digits than its factorization.

82630369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38626.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 82630369 is about 9090.1248066239. The cubic root of 82630369 is about 435.5585707738.

The spelling of 82630369 in words is "eighty-two million, six hundred thirty thousand, three hundred sixty-nine".