3231090 has 40 divisors (see below), whose sum is σ = 8690220. Its totient is φ = 861408.

The previous prime is 3231049. The next prime is 3231097. The reversal of 3231090 is 901323.

3231090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 23409 = 1791^2 + 153^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3231097) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1185 + ... + 2804.

Almost surely, 2^3231090 is an apocalyptic number.

3231090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3231090 is an abundant number, since it is smaller than the sum of its proper divisors (5459130).

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

3231090 is a wasteful number, since it uses less digits than its factorization.

3231090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008 (or 3999 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3231090 is about 1797.5232960938. The cubic root of 3231090 is about 147.8369582672.

It can be divided in two parts, 32310 and 90, that added together give a square (32400 = 180²).

The spelling of 3231090 in words is "three million, two hundred thirty-one thousand, ninety".