2745899 has 8 divisors (see below), whose sum is σ = 3113040. Its totient is φ = 2401056.

The previous prime is 2745863. The next prime is 2745907. The reversal of 2745899 is 9985472.

It is a happy number.

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 2745899 - 2⁸ = 2745643 is a prime.

It is a super-2 number, since 2×2745899² = 15079922636402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2745829) 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, 5312 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (389130).

2^2745899 is an apocalyptic number.

2745899 is a deficient number, since it is larger than the sum of its proper divisors (367141).

2745899 is a wasteful number, since it uses less digits than its factorization.

2745899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149.

The product of its digits is 181440, while the sum is 44.

The square root of 2745899 is about 1657.0754358206. The cubic root of 2745899 is about 140.0322884710.

The spelling of 2745899 in words is "two million, seven hundred forty-five thousand, eight hundred ninety-nine".