2032290 has 80 divisors (see below), whose sum is σ = 5915448. Its totient is φ = 497664.

The previous prime is 2032273. The next prime is 2032301. The reversal of 2032290 is 922302.

It can be written as a sum of positive squares in 4 ways, for example, as 998001 + 1034289 = 999^2 + 1017^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10434 + ... + 10626.

2^2032290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2032290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2957724).

2032290 is an abundant number, since it is smaller than the sum of its proper divisors (3883158).

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

2032290 is a wasteful number, since it uses less digits than its factorization.

2032290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2032290 is about 1425.5840908203. The cubic root of 2032290 is about 126.6665358571. Note that the first 3 decimals are identical.

Adding to 2032290 its reverse (922302), we get a palindrome (2954592).

The spelling of 2032290 in words is "two million, thirty-two thousand, two hundred ninety".