2398257401 has 4 divisors (see below), whose sum is σ = 2398359204. Its totient is φ = 2398155600.

The previous prime is 2398257397. The next prime is 2398257409. The reversal of 2398257401 is 1047528932.

2398257401 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 brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 539354176 + 1858903225 = 23224^2 + 43115^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398257401 - 2² = 2398257397 is a prime.

It is a super-2 number, since 2×2398257401² = 11503277122902549602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2398257409) 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, 4631 + ... + 69411.

It is an arithmetic number, because the mean of its divisors is an integer number (599589801).

Almost surely, 2^2398257401 is an apocalyptic number.

It is an amenable number.

2398257401 is a deficient number, since it is larger than the sum of its proper divisors (101803).

2398257401 is an equidigital number, since it uses as much as digits as its factorization.

2398257401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101802.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2398257401 is about 48972.0062995177. The cubic root of 2398257401 is about 1338.5417791528.

The spelling of 2398257401 in words is "two billion, three hundred ninety-eight million, two hundred fifty-seven thousand, four hundred one".