2706399 has 8 divisors (see below), whose sum is σ = 4009520. Its totient is φ = 1804248.

The previous prime is 2706391. The next prime is 2706413. The reversal of 2706399 is 9936072.

It is not a de Polignac number, because 2706399 - 2³ = 2706391 is a prime.

It is a Duffinian number.

2706399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50092 + ... + 50145.

It is an arithmetic number, because the mean of its divisors is an integer number (501190).

2^2706399 is an apocalyptic number.

2706399 is a deficient number, since it is larger than the sum of its proper divisors (1303121).

2706399 is a wasteful number, since it uses less digits than its factorization.

2706399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100246 (or 100240 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 2706399 is about 1645.1136738840. The cubic root of 2706399 is about 139.3575838735.

The spelling of 2706399 in words is "two million, seven hundred six thousand, three hundred ninety-nine".