2660364 has 144 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 684288.

The previous prime is 2660353. The next prime is 2660377. The reversal of 2660364 is 4630662.

It is a super-2 number, since 2×2660364² = 14155073224992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115657 + ... + 115679.

It is an arithmetic number, because the mean of its divisors is an integer number (61152).

2^2660364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4402944).

2660364 is an abundant number, since it is smaller than the sum of its proper divisors (6145524).

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

2660364 is a wasteful number, since it uses less digits than its factorization.

2660364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2660364 is about 1631.0622305725. The cubic root of 2660364 is about 138.5629180609.

The spelling of 2660364 in words is "two million, six hundred sixty thousand, three hundred sixty-four".