2664380 has 24 divisors (see below), whose sum is σ = 5654880. Its totient is φ = 1054400.

The previous prime is 2664379. The next prime is 2664397. The reversal of 2664380 is 834662.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

2^2664380 is an apocalyptic number.

2664380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664380 is an abundant number, since it is smaller than the sum of its proper divisors (2990500).

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

2664380 is a wasteful number, since it uses less digits than its factorization.

2664380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2664380 is about 1632.2928658792. The cubic root of 2664380 is about 138.6326063823.

The spelling of 2664380 in words is "two million, six hundred sixty-four thousand, three hundred eighty".