2289858 has 16 divisors (see below), whose sum is σ = 4597536. Its totient is φ = 760320.

The previous prime is 2289841. The next prime is 2289863. The reversal of 2289858 is 8589822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (287346).

2^2289858 is an apocalyptic number.

2289858 is an abundant number, since it is smaller than the sum of its proper divisors (2307678).

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

2289858 is a wasteful number, since it uses less digits than its factorization.

2289858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489.

The product of its digits is 92160, while the sum is 42.

The square root of 2289858 is about 1513.2276761942. The cubic root of 2289858 is about 131.8063045256.

The spelling of 2289858 in words is "two million, two hundred eighty-nine thousand, eight hundred fifty-eight".