2399141 has 4 divisors (see below), whose sum is σ = 2481900. Its totient is φ = 2316384.

The previous prime is 2399129. The next prime is 2399143. The reversal of 2399141 is 1419932.

2399141 = T₁₉₀ + T₁₉₁ + ... + T₂₇₆.

It is a happy number.

2399141 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1110916 + 1288225 = 1054^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2399141 - 2¹⁸ = 2136997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 82729 = 2399141 / (2 + 3 + 9 + 9 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399143) 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 3 ways as a sum of consecutive naturals, for example, 41336 + ... + 41393.

It is an arithmetic number, because the mean of its divisors is an integer number (620475).

2^2399141 is an apocalyptic number.

It is an amenable number.

2399141 is a deficient number, since it is larger than the sum of its proper divisors (82759).

2399141 is an equidigital number, since it uses as much as digits as its factorization.

2399141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82758.

The product of its digits is 1944, while the sum is 29.

The square root of 2399141 is about 1548.9160726134. The cubic root of 2399141 is about 133.8706146963.

The spelling of 2399141 in words is "two million, three hundred ninety-nine thousand, one hundred forty-one".