2745399 has 8 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 1825976.

The previous prime is 2745397. The next prime is 2745419. The reversal of 2745399 is 9935472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2745399 - 2¹ = 2745397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745397) 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, 982 + ... + 2540.

It is an arithmetic number, because the mean of its divisors is an integer number (458640).

2^2745399 is an apocalyptic number.

2745399 is a deficient number, since it is larger than the sum of its proper divisors (923721).

2745399 is a wasteful number, since it uses less digits than its factorization.

2745399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149.

The product of its digits is 68040, while the sum is 39.

The square root of 2745399 is about 1656.9245607450. The cubic root of 2745399 is about 140.0237884747.

The spelling of 2745399 in words is "two million, seven hundred forty-five thousand, three hundred ninety-nine".