2400252 has 24 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 793776.

The previous prime is 2400221. The next prime is 2400253. The reversal of 2400252 is 2520042.

It is a super-2 number, since 2×2400252² = 11522419327008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400253) 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, 949 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (235200).

2^2400252 is an apocalyptic number.

It is an amenable number.

2400252 is an abundant number, since it is smaller than the sum of its proper divisors (3244548).

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

2400252 is a wasteful number, since it uses less digits than its factorization.

2400252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2400252 is about 1549.2746689984. The cubic root of 2400252 is about 133.8912758831.

Adding to 2400252 its reverse (2520042), we get a palindrome (4920294).

The spelling of 2400252 in words is "two million, four hundred thousand, two hundred fifty-two".