82649244 has 12 divisors (see below), whose sum is σ = 192848264. Its totient is φ = 27549744.

The previous prime is 82649239. The next prime is 82649251. The reversal of 82649244 is 44294628.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443707 + ... + 3443730.

Almost surely, 2^82649244 is an apocalyptic number.

It is an amenable number.

82649244 is an abundant number, since it is smaller than the sum of its proper divisors (110199020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82649244 is a wasteful number, since it uses less digits than its factorization.

82649244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887444 (or 6887442 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 82649244 is about 9091.1629619098. The cubic root of 82649244 is about 435.5917326820.

The spelling of 82649244 in words is "eighty-two million, six hundred forty-nine thousand, two hundred forty-four".