2298840 has 32 divisors (see below), whose sum is σ = 6896880. Its totient is φ = 612992.

The previous prime is 2298839. The next prime is 2298841. The reversal of 2298840 is 488922.

It is an interprime number because it is at equal distance from previous prime (2298839) and next prime (2298841).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298841) 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, 9459 + ... + 9698.

2^2298840 is an apocalyptic number.

2298840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2298840 is an abundant number, since it is smaller than the sum of its proper divisors (4598040).

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

2298840 is a wasteful number, since it uses less digits than its factorization.

2298840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171 (or 19167 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2298840 is about 1516.1925999028. The cubic root of 2298840 is about 131.9784170406.

The spelling of 2298840 in words is "two million, two hundred ninety-eight thousand, eight hundred forty".