2401397 has 4 divisors (see below), whose sum is σ = 2406816. Its totient is φ = 2395980.

The previous prime is 2401393. The next prime is 2401409. The reversal of 2401397 is 7931042.

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 2401397 - 2² = 2401393 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 (2401393) 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, 1979 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (601704).

2^2401397 is an apocalyptic number.

It is an amenable number.

2401397 is a deficient number, since it is larger than the sum of its proper divisors (5419).

2401397 is an equidigital number, since it uses as much as digits as its factorization.

2401397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2401397 is about 1549.6441527009. The cubic root of 2401397 is about 133.9125626952.

The spelling of 2401397 in words is "two million, four hundred one thousand, three hundred ninety-seven".