4331090 has 32 divisors (see below), whose sum is σ = 8391600. Its totient is φ = 1603584.

The previous prime is 4331087. The next prime is 4331099. The reversal of 4331090 is 901334.

It can be written as a sum of positive squares in 8 ways, for example, as 3136441 + 1194649 = 1771^2 + 1093^2 .

It is not an unprimeable number, because it can be changed into a prime (4331099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12236 + ... + 12584.

Almost surely, 2^4331090 is an apocalyptic number.

4331090 is a deficient number, since it is larger than the sum of its proper divisors (4060510).

4331090 is a wasteful number, since it uses less digits than its factorization.

4331090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 4331090 is about 2081.1270984733. The cubic root of 4331090 is about 163.0043031471.

The spelling of 4331090 in words is "four million, three hundred thirty-one thousand, ninety".