4240290 has 32 divisors (see below), whose sum is σ = 10233216. Its totient is φ = 1124480.

The previous prime is 4240289. The next prime is 4240319. The reversal of 4240290 is 920424.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8179 + ... + 8681.

It is an arithmetic number, because the mean of its divisors is an integer number (319788).

Almost surely, 2^4240290 is an apocalyptic number.

4240290 is an abundant number, since it is smaller than the sum of its proper divisors (5992926).

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

4240290 is a wasteful number, since it uses less digits than its factorization.

4240290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4240290 is about 2059.1964452184. The cubic root of 4240290 is about 161.8571366622.

The spelling of 4240290 in words is "four million, two hundred forty thousand, two hundred ninety".