2730258 has 12 divisors (see below), whose sum is σ = 5915598. Its totient is φ = 910080.

The previous prime is 2730257. The next prime is 2730271. The reversal of 2730258 is 8520372.

It can be written as a sum of positive squares in only one way, i.e., 1814409 + 915849 = 1347^2 + 957^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2730257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75823 + ... + 75858.

2^2730258 is an apocalyptic number.

2730258 is an abundant number, since it is smaller than the sum of its proper divisors (3185340).

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

2730258 is a wasteful number, since it uses less digits than its factorization.

2730258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151689 (or 151686 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2730258 is about 1652.3492366930. The cubic root of 2730258 is about 139.7659012909.

The spelling of 2730258 in words is "two million, seven hundred thirty thousand, two hundred fifty-eight".