2433640 has 32 divisors (see below), whose sum is σ = 5974560. Its totient is φ = 884800.

The previous prime is 2433631. The next prime is 2433649. The reversal of 2433640 is 463342.

It is an interprime number because it is at equal distance from previous prime (2433631) and next prime (2433649).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2433649) 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, 2326 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (186705).

2^2433640 is an apocalyptic number.

2433640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2433640 is an abundant number, since it is smaller than the sum of its proper divisors (3540920).

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

2433640 is a wasteful number, since it uses less digits than its factorization.

2433640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2433640 is about 1560.0128204601. The cubic root of 2433640 is about 134.5092377674.

Adding to 2433640 its reverse (463342), we get a palindrome (2896982).

It can be divided in two parts, 243 and 3640, that added together give a palindrome (3883).

The spelling of 2433640 in words is "two million, four hundred thirty-three thousand, six hundred forty".