82649260 has 48 divisors (see below), whose sum is σ = 178790976. Its totient is φ = 32078592.

The previous prime is 82649251. The next prime is 82649267. The reversal of 82649260 is 6294628.

It is not an unprimeable number, because it can be changed into a prime (82649267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108802 + ... + 109558.

It is an arithmetic number, because the mean of its divisors is an integer number (3724812).

Almost surely, 2^82649260 is an apocalyptic number.

It is an amenable number.

82649260 is an abundant number, since it is smaller than the sum of its proper divisors (96141716).

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

82649260 is a wasteful number, since it uses less digits than its factorization.

82649260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 82649260 is about 9091.1638418852. The cubic root of 82649260 is about 435.5917607906.

It can be divided in two parts, 826 and 49260, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 82649260 in words is "eighty-two million, six hundred forty-nine thousand, two hundred sixty".