2400002 has 24 divisors (see below), whose sum is σ = 4088880. Its totient is φ = 1047480.

The previous prime is 2400001. The next prime is 2400019. The reversal of 2400002 is 2000042.

It is not an unprimeable number, because it can be changed into a prime (2400001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40649 + ... + 40707.

It is an arithmetic number, because the mean of its divisors is an integer number (170370).

2^2400002 is an apocalyptic number.

2400002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2400002 is a deficient number, since it is larger than the sum of its proper divisors (1688878).

2400002 is a wasteful number, since it uses less digits than its factorization.

2400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2400002 is about 1549.1939839801. The cubic root of 2400002 is about 133.8866272071.

Adding to 2400002 its reverse (2000042), we get a palindrome (4400044).

It can be divided in two parts, 2 and 400002, that added together give a palindrome (400004).

The spelling of 2400002 in words is "two million, four hundred thousand, two".