2278590 has 32 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 602400.

The previous prime is 2278553. The next prime is 2278631. The reversal of 2278590 is 958722.

2278590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4279 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

2^2278590 is an apocalyptic number.

It is a pronic number, being equal to 1509×1510.

2278590 is an abundant number, since it is smaller than the sum of its proper divisors (3237186).

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

2278590 is a wasteful number, since it uses less digits than its factorization.

2278590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2278590 is about 1509.4999171911. The cubic root of 2278590 is about 131.5897501587.

The spelling of 2278590 in words is "two million, two hundred seventy-eight thousand, five hundred ninety".