2400008397 has 4 divisors (see below), whose sum is σ = 3200011200. Its totient is φ = 1600005596.

The previous prime is 2400008363. The next prime is 2400008417. The reversal of 2400008397 is 7938000042.

2400008397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2400008397 - 2²⁶ = 2332899533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400008197) 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, 400001397 + ... + 400001402.

It is an arithmetic number, because the mean of its divisors is an integer number (800002800).

Almost surely, 2^2400008397 is an apocalyptic number.

It is an amenable number.

2400008397 is a deficient number, since it is larger than the sum of its proper divisors (800002803).

2400008397 is an equidigital number, since it uses as much as digits as its factorization.

2400008397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800002802.

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

The square root of 2400008397 is about 48989.8805571110. The cubic root of 2400008397 is about 1338.8674616149.

The spelling of 2400008397 in words is "two billion, four hundred million, eight thousand, three hundred ninety-seven".