2400242 has 8 divisors (see below), whose sum is σ = 3877356. Its totient is φ = 1107792.

The previous prime is 2400221. The next prime is 2400253. The reversal of 2400242 is 2420042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2399401 + 841 = 1549^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2400242² = 11522323317128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46133 + ... + 46184.

2^2400242 is an apocalyptic number.

2400242 is a deficient number, since it is larger than the sum of its proper divisors (1477114).

2400242 is a wasteful number, since it uses less digits than its factorization.

2400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92332.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2400242 is about 1549.2714416783. The cubic root of 2400242 is about 133.8910899422.

Adding to 2400242 its reverse (2420042), we get a palindrome (4820284).

The spelling of 2400242 in words is "two million, four hundred thousand, two hundred forty-two".