4231290 has 32 divisors (see below), whose sum is σ = 11606400. Its totient is φ = 967104.

The previous prime is 4231277. The next prime is 4231291. The reversal of 4231290 is 921324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4231291) 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, 9865 + ... + 10284.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

Almost surely, 2^4231290 is an apocalyptic number.

4231290 is an abundant number, since it is smaller than the sum of its proper divisors (7375110).

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

4231290 is a wasteful number, since it uses less digits than its factorization.

4231290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166.

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

The square root of 4231290 is about 2057.0099659457. The cubic root of 4231290 is about 161.7425418216.

The spelling of 4231290 in words is "four million, two hundred thirty-one thousand, two hundred ninety".