2830749 has 8 divisors (see below), whose sum is σ = 3811392. Its totient is φ = 1868640.

The previous prime is 2830741. The next prime is 2830781. The reversal of 2830749 is 9470382.

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

It is not a de Polignac number, because 2830749 - 2³ = 2830741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830741) 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, 4272 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (476424).

2^2830749 is an apocalyptic number.

It is an amenable number.

2830749 is a deficient number, since it is larger than the sum of its proper divisors (980643).

2830749 is a wasteful number, since it uses less digits than its factorization.

2830749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2830749 is about 1682.4829865410. The cubic root of 2830749 is about 141.4600435739.

The spelling of 2830749 in words is "two million, eight hundred thirty thousand, seven hundred forty-nine".