2748897 has 10 divisors (see below), whose sum is σ = 4106498. Its totient is φ = 1832544.

The previous prime is 2748859. The next prime is 2748919. The reversal of 2748897 is 7988472.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 6561 = 1656^2 + 81^2 .

It is not a de Polignac number, because 2748897 - 2⁶ = 2748833 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 7³ + 4⁴ + 8 + 8⁷ + 9⁶ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748817) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16888 + ... + 17049.

2^2748897 is an apocalyptic number.

2748897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2748897 is a deficient number, since it is larger than the sum of its proper divisors (1357601).

2748897 is an equidigital number, since it uses as much as digits as its factorization.

2748897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33949 (or 33940 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 2748897 is about 1657.9797948105. The cubic root of 2748897 is about 140.0832328195.

The spelling of 2748897 in words is "two million, seven hundred forty-eight thousand, eight hundred ninety-seven".