2397977 has 8 divisors (see below), whose sum is σ = 2461536. Its totient is φ = 2335392.

The previous prime is 2397961. The next prime is 2397991. The reversal of 2397977 is 7797932.

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

It is a cyclic number.

It is not a de Polignac number, because 2397977 - 2⁴ = 2397961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2397907) 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, 7658 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (307692).

2^2397977 is an apocalyptic number.

It is an amenable number.

2397977 is a deficient number, since it is larger than the sum of its proper divisors (63559).

2397977 is a wasteful number, since it uses less digits than its factorization.

2397977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 166698, while the sum is 44.

The square root of 2397977 is about 1548.5402803931. The cubic root of 2397977 is about 133.8489610290.

The spelling of 2397977 in words is "two million, three hundred ninety-seven thousand, nine hundred seventy-seven".