2399101 has 4 divisors (see below), whose sum is σ = 2423932. Its totient is φ = 2374272.

The previous prime is 2399093. The next prime is 2399113. The reversal of 2399101 is 1019932.

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 511225 + 1887876 = 715^2 + 1374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2399101 - 2³ = 2399093 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 (2399171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12270 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (605983).

2^2399101 is an apocalyptic number.

It is an amenable number.

2399101 is a deficient number, since it is larger than the sum of its proper divisors (24831).

2399101 is an equidigital number, since it uses as much as digits as its factorization.

2399101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24830.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 2399101 is about 1548.9031603041. The cubic root of 2399101 is about 133.8698707003.

It can be divided in two parts, 2399 and 101, that added together give a square (2500 = 50²).

The spelling of 2399101 in words is "two million, three hundred ninety-nine thousand, one hundred one".