2415442 has 4 divisors (see below), whose sum is σ = 3623166. Its totient is φ = 1207720.

The previous prime is 2415431. The next prime is 2415443. The reversal of 2415442 is 2445142.

It is a happy number.

2415442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 622521 = 1339^2 + 789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2415443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603859 + ... + 603862.

2^2415442 is an apocalyptic number.

2415442 is a deficient number, since it is larger than the sum of its proper divisors (1207724).

2415442 is a wasteful number, since it uses less digits than its factorization.

2415442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207723.

The product of its digits is 1280, while the sum is 22.

The square root of 2415442 is about 1554.1692314545. The cubic root of 2415442 is about 134.1731258973.

The spelling of 2415442 in words is "two million, four hundred fifteen thousand, four hundred forty-two".