2203990 has 8 divisors (see below), whose sum is σ = 3967200. Its totient is φ = 881592.

The previous prime is 2203973. The next prime is 2203997. The reversal of 2203990 is 993022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110190 + ... + 110209.

It is an arithmetic number, because the mean of its divisors is an integer number (495900).

2^2203990 is an apocalyptic number.

2203990 is a deficient number, since it is larger than the sum of its proper divisors (1763210).

2203990 is a wasteful number, since it uses less digits than its factorization.

2203990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220406.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2203990 is about 1484.5841168489. The cubic root of 2203990 is about 130.1377238643.

The spelling of 2203990 in words is "two million, two hundred three thousand, nine hundred ninety".