2748397 has 8 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 2626704.

The previous prime is 2748391. The next prime is 2748401. The reversal of 2748397 is 7938472.

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

It is a de Polignac number, because none of the positive numbers 2^k-2748397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

2^2748397 is an apocalyptic number.

It is an amenable number.

2748397 is a deficient number, since it is larger than the sum of its proper divisors (124403).

2748397 is a wasteful number, since it uses less digits than its factorization.

2748397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355.

The product of its digits is 84672, while the sum is 40.

The square root of 2748397 is about 1657.8290020385. The cubic root of 2748397 is about 140.0747390050.

The spelling of 2748397 in words is "two million, seven hundred forty-eight thousand, three hundred ninety-seven".