2629399 has 4 divisors (see below), whose sum is σ = 2633320. Its totient is φ = 2625480.

The previous prime is 2629381. The next prime is 2629409. The reversal of 2629399 is 9939262.

2629399 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 an emirpimes, since its reverse is a distinct semiprime: 9939262 = 2 ⋅4969631.

It is a cyclic number.

It is not a de Polignac number, because 2629399 - 2¹³ = 2621207 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 (2629309) 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, 672 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (658330).

2^2629399 is an apocalyptic number.

2629399 is a deficient number, since it is larger than the sum of its proper divisors (3921).

2629399 is an equidigital number, since it uses as much as digits as its factorization.

2629399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920.

The product of its digits is 52488, while the sum is 40.

The square root of 2629399 is about 1621.5421671976. The cubic root of 2629399 is about 138.0232230049.

The spelling of 2629399 in words is "two million, six hundred twenty-nine thousand, three hundred ninety-nine".