2549340 has 48 divisors (see below), whose sum is σ = 7932960. Its totient is φ = 679680.

The previous prime is 2549317. The next prime is 2549357. The reversal of 2549340 is 439452.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1821 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (165270).

2^2549340 is an apocalyptic number.

2549340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2549340 is an abundant number, since it is smaller than the sum of its proper divisors (5383620).

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

2549340 is a wasteful number, since it uses less digits than its factorization.

2549340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739 (or 4731 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2549340 is about 1596.6652748776. The cubic root of 2549340 is about 136.6079329882.

The spelling of 2549340 in words is "two million, five hundred forty-nine thousand, three hundred forty".