2491368 has 32 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 754880.

The previous prime is 2491351. The next prime is 2491369. The reversal of 2491368 is 8631942.

It is a super-2 number, since 2×2491368² = 12413829022848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2491369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (212355).

2^2491368 is an apocalyptic number.

It is an amenable number.

2491368 is an abundant number, since it is smaller than the sum of its proper divisors (4303992).

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

2491368 is a wasteful number, since it uses less digits than its factorization.

2491368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457 (or 9453 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2491368 is about 1578.4067916732. The cubic root of 2491368 is about 135.5644950160.

The spelling of 2491368 in words is "two million, four hundred ninety-one thousand, three hundred sixty-eight".