2236990 has 16 divisors (see below), whose sum is σ = 4601952. Its totient is φ = 766944.

The previous prime is 2236987. The next prime is 2236999. The reversal of 2236990 is 996322.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15909 + ... + 16048.

It is an arithmetic number, because the mean of its divisors is an integer number (287622).

2^2236990 is an apocalyptic number.

2236990 is an abundant number, since it is smaller than the sum of its proper divisors (2364962).

2236990 is a wasteful number, since it uses less digits than its factorization.

2236990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31971.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2236990 is about 1495.6570462509. The cubic root of 2236990 is about 130.7840195323.

The spelling of 2236990 in words is "two million, two hundred thirty-six thousand, nine hundred ninety".