2647380 has 24 divisors (see below), whose sum is σ = 7412832. Its totient is φ = 705952.

The previous prime is 2647373. The next prime is 2647391. The reversal of 2647380 is 837462.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 22002 + ... + 22121.

It is an arithmetic number, because the mean of its divisors is an integer number (308868).

2^2647380 is an apocalyptic number.

2647380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647380 is an abundant number, since it is smaller than the sum of its proper divisors (4765452).

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

2647380 is a wasteful number, since it uses less digits than its factorization.

2647380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44135 (or 44133 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2647380 is about 1627.0771340044. The cubic root of 2647380 is about 138.3371299421.

The spelling of 2647380 in words is "two million, six hundred forty-seven thousand, three hundred eighty".