82830649 has 4 divisors (see below), whose sum is σ = 90360720. Its totient is φ = 75300580.

The previous prime is 82830637. The next prime is 82830653. The reversal of 82830649 is 94603828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82830649 - 2¹³ = 82822457 is a prime.

It is a super-2 number, since 2×82830649² = 13721832827522402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82830689) 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 3 ways as a sum of consecutive naturals, for example, 3765019 + ... + 3765040.

It is an arithmetic number, because the mean of its divisors is an integer number (22590180).

Almost surely, 2^82830649 is an apocalyptic number.

It is an amenable number.

82830649 is a deficient number, since it is larger than the sum of its proper divisors (7530071).

82830649 is a wasteful number, since it uses less digits than its factorization.

82830649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530070.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 82830649 is about 9101.1344897216. The cubic root of 82830649 is about 435.9101900279.

The spelling of 82830649 in words is "eighty-two million, eight hundred thirty thousand, six hundred forty-nine".