2397897 has 8 divisors (see below), whose sum is σ = 3552480. Its totient is φ = 1598580.

The previous prime is 2397869. The next prime is 2397907. The reversal of 2397897 is 7987932.

It is not a de Polignac number, because 2397897 - 2⁸ = 2397641 is a prime.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2397827) 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, 44379 + ... + 44432.

It is an arithmetic number, because the mean of its divisors is an integer number (444060).

2^2397897 is an apocalyptic number.

2397897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2397897 is a deficient number, since it is larger than the sum of its proper divisors (1154583).

2397897 is an equidigital number, since it uses as much as digits as its factorization.

2397897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88820 (or 88814 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2397897 is about 1548.5144493998. The cubic root of 2397897 is about 133.8474725471.

The spelling of 2397897 in words is "two million, three hundred ninety-seven thousand, eight hundred ninety-seven".