2748290 has 8 divisors (see below), whose sum is σ = 4946940. Its totient is φ = 1099312.

The previous prime is 2748287. The next prime is 2748313. The reversal of 2748290 is 928472.

It can be written as a sum of positive squares in 2 ways, for example, as 2699449 + 48841 = 1643^2 + 221^2 .

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

It is a d-powerful number, because it can be written as 2⁹ + 7⁶ + 4⁵ + 8³ + 2²¹ + 9⁶ + 0 .

It is a Curzon 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, 137405 + ... + 137424.

2^2748290 is an apocalyptic number.

2748290 is a deficient number, since it is larger than the sum of its proper divisors (2198650).

2748290 is a wasteful number, since it uses less digits than its factorization.

2748290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274836.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2748290 is about 1657.7967306036. The cubic root of 2748290 is about 140.0729211949.

It can be divided in two parts, 27482 and 90, that added together give a palindrome (27572).

The spelling of 2748290 in words is "two million, seven hundred forty-eight thousand, two hundred ninety".