2240858 has 4 divisors (see below), whose sum is σ = 3361290. Its totient is φ = 1120428.

The previous prime is 2240857. The next prime is 2240863. The reversal of 2240858 is 8580422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 100489 = 1463^2 + 317^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240858.

It is not an unprimeable number, because it can be changed into a prime (2240851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560213 + ... + 560216.

2^2240858 is an apocalyptic number.

2240858 is a deficient number, since it is larger than the sum of its proper divisors (1120432).

2240858 is a wasteful number, since it uses less digits than its factorization.

2240858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120431.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2240858 is about 1496.9495649487. The cubic root of 2240858 is about 130.8593560780.

The spelling of 2240858 in words is "two million, two hundred forty thousand, eight hundred fifty-eight".