2401399 has 16 divisors (see below), whose sum is σ = 3225600. Its totient is φ = 1726560.

The previous prime is 2401393. The next prime is 2401409. The reversal of 2401399 is 9931042.

It is a happy number.

2401399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2401399 - 2⁵ = 2401367 is a prime.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 2200.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^2401399 is an apocalyptic number.

2401399 is a deficient number, since it is larger than the sum of its proper divisors (824201).

2401399 is a wasteful number, since it uses less digits than its factorization.

2401399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2401399 is about 1549.6447980102. The cubic root of 2401399 is about 133.9125998715.

The spelling of 2401399 in words is "two million, four hundred one thousand, three hundred ninety-nine".