2391242 has 16 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 1014768.

The previous prime is 2391239. The next prime is 2391269. The reversal of 2391242 is 2421932.

2391242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 743 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

2^2391242 is an apocalyptic number.

2391242 is a deficient number, since it is larger than the sum of its proper divisors (1748278).

2391242 is a wasteful number, since it uses less digits than its factorization.

2391242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685.

The product of its digits is 864, while the sum is 23.

The square root of 2391242 is about 1546.3641227085. The cubic root of 2391242 is about 133.7235333545.

The spelling of 2391242 in words is "two million, three hundred ninety-one thousand, two hundred forty-two".