2748957 has 4 divisors (see below), whose sum is σ = 3665280. Its totient is φ = 1832636.

The previous prime is 2748953. The next prime is 2748971. The reversal of 2748957 is 7598472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2748957 - 2² = 2748953 is a prime.

It is a super-3 number, since 3×2748957³ = 62319662733358870479, which contains 333 as substring.

It is a D-number.

2748957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458157 + ... + 458162.

It is an arithmetic number, because the mean of its divisors is an integer number (916320).

2^2748957 is an apocalyptic number.

It is an amenable number.

2748957 is a deficient number, since it is larger than the sum of its proper divisors (916323).

2748957 is an equidigital number, since it uses as much as digits as its factorization.

2748957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916322.

The product of its digits is 141120, while the sum is 42.

The square root of 2748957 is about 1657.9978890216. The cubic root of 2748957 is about 140.0842520081.

It can be divided in two parts, 27 and 48957, that added together give a palindrome (48984).

The spelling of 2748957 in words is "two million, seven hundred forty-eight thousand, nine hundred fifty-seven".