2400630 has 16 divisors (see below), whose sum is σ = 5761584. Its totient is φ = 640160.

The previous prime is 2400623. The next prime is 2400661. The reversal of 2400630 is 360042.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39981 + ... + 40040.

It is an arithmetic number, because the mean of its divisors is an integer number (360099).

2^2400630 is an apocalyptic number.

2400630 is an abundant number, since it is smaller than the sum of its proper divisors (3360954).

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

2400630 is a wasteful number, since it uses less digits than its factorization.

2400630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80031.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2400630 is about 1549.3966567668. The cubic root of 2400630 is about 133.8983040681.

Adding to 2400630 its reverse (360042), we get a palindrome (2760672).

The spelling of 2400630 in words is "two million, four hundred thousand, six hundred thirty".