4122390 has 16 divisors (see below), whose sum is σ = 9893808. Its totient is φ = 1099296.

The previous prime is 4122343. The next prime is 4122401. The reversal of 4122390 is 932214.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68677 + ... + 68736.

It is an arithmetic number, because the mean of its divisors is an integer number (618363).

Almost surely, 2^4122390 is an apocalyptic number.

4122390 is an abundant number, since it is smaller than the sum of its proper divisors (5771418).

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

4122390 is a wasteful number, since it uses less digits than its factorization.

4122390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137423.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4122390 is about 2030.3669619061. The cubic root of 4122390 is about 160.3428844558.

The spelling of 4122390 in words is "four million, one hundred twenty-two thousand, three hundred ninety".