2653868 has 12 divisors (see below), whose sum is σ = 5307792. Its totient is φ = 1137360.

The previous prime is 2653867. The next prime is 2653873. The reversal of 2653868 is 8683562.

2653868 is an admirable number.

It is a super-2 number, since 2×2653868² = 14086030722848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2653867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47363 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (442316).

2^2653868 is an apocalyptic number.

2653868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2653868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2653868 is a wasteful number, since it uses less digits than its factorization.

2653868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94792 (or 94790 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 2653868 is about 1629.0696731570. The cubic root of 2653868 is about 138.4500464979.

The spelling of 2653868 in words is "two million, six hundred fifty-three thousand, eight hundred sixty-eight".