2408397 has 4 divisors (see below), whose sum is σ = 3211200. Its totient is φ = 1605596.

The previous prime is 2408389. The next prime is 2408431. The reversal of 2408397 is 7938042.

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 2408397 - 2³ = 2408389 is a prime.

It is a super-2 number, since 2×2408397² = 11600752219218, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408317) 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, 401397 + ... + 401402.

It is an arithmetic number, because the mean of its divisors is an integer number (802800).

2^2408397 is an apocalyptic number.

It is an amenable number.

2408397 is a deficient number, since it is larger than the sum of its proper divisors (802803).

2408397 is an equidigital number, since it uses as much as digits as its factorization.

2408397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802802.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2408397 is about 1551.9010922092. The cubic root of 2408397 is about 134.0425535008.

The spelling of 2408397 in words is "two million, four hundred eight thousand, three hundred ninety-seven".