2258390 has 8 divisors (see below), whose sum is σ = 4065120. Its totient is φ = 903352.

The previous prime is 2258387. The next prime is 2258407. The reversal of 2258390 is 938522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112910 + ... + 112929.

It is an arithmetic number, because the mean of its divisors is an integer number (508140).

2^2258390 is an apocalyptic number.

2258390 is a deficient number, since it is larger than the sum of its proper divisors (1806730).

2258390 is a wasteful number, since it uses less digits than its factorization.

2258390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225846.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2258390 is about 1502.7940644014. The cubic root of 2258390 is about 131.1997419066.

The spelling of 2258390 in words is "two million, two hundred fifty-eight thousand, three hundred ninety".