2238990 has 32 divisors (see below), whose sum is σ = 5787936. Its totient is φ = 551040.

The previous prime is 2238989. The next prime is 2238997. The reversal of 2238990 is 998322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238997) 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, 2481 + ... + 3260.

It is an arithmetic number, because the mean of its divisors is an integer number (180873).

2^2238990 is an apocalyptic number.

2238990 is an abundant number, since it is smaller than the sum of its proper divisors (3548946).

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

2238990 is a wasteful number, since it uses less digits than its factorization.

2238990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5764.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2238990 is about 1496.3254993483. The cubic root of 2238990 is about 130.8229841120.

The spelling of 2238990 in words is "two million, two hundred thirty-eight thousand, nine hundred ninety".