2400258 has 16 divisors (see below), whose sum is σ = 5486400. Its totient is φ = 685776.

The previous prime is 2400253. The next prime is 2400259. The reversal of 2400258 is 8520042.

It is a super-2 number, since 2×2400258² = 11522476933128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2400253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28533 + ... + 28616.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

2^2400258 is an apocalyptic number.

2400258 is an abundant number, since it is smaller than the sum of its proper divisors (3086142).

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

2400258 is a wasteful number, since it uses less digits than its factorization.

2400258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57161.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2400258 is about 1549.2766053872. The cubic root of 2400258 is about 133.8913874473.

The spelling of 2400258 in words is "two million, four hundred thousand, two hundred fifty-eight".