2240838 has 32 divisors (see below), whose sum is σ = 5274720. Its totient is φ = 702720.

The previous prime is 2240837. The next prime is 2240839. The reversal of 2240838 is 8380422.

It is an interprime number because it is at equal distance from previous prime (2240837) and next prime (2240839).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (164835).

2^2240838 is an apocalyptic number.

2240838 is an abundant number, since it is smaller than the sum of its proper divisors (3033882).

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

2240838 is a wasteful number, since it uses less digits than its factorization.

2240838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2240838 is about 1496.9428846820. The cubic root of 2240838 is about 130.8589667636.

The spelling of 2240838 in words is "two million, two hundred forty thousand, eight hundred thirty-eight".