2107399 has 4 divisors (see below), whose sum is σ = 2408464. Its totient is φ = 1806336.

The previous prime is 2107393. The next prime is 2107403. The reversal of 2107399 is 9937012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2107399 - 2⁹ = 2106887 is a prime.

It is a super-2 number, since 2×2107399² = 8882261090402, which contains 22 as substring.

It is a Duffinian number.

2107399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2107399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107393) 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, 150522 + ... + 150535.

It is an arithmetic number, because the mean of its divisors is an integer number (602116).

2^2107399 is an apocalyptic number.

2107399 is a deficient number, since it is larger than the sum of its proper divisors (301065).

2107399 is an equidigital number, since it uses as much as digits as its factorization.

2107399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301064.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2107399 is about 1451.6883274312. The cubic root of 2107399 is about 128.2081371195.

The spelling of 2107399 in words is "two million, one hundred seven thousand, three hundred ninety-nine".