2027749 has 8 divisors (see below), whose sum is σ = 2135232. Its totient is φ = 1921920.

The previous prime is 2027747. The next prime is 2027759. The reversal of 2027749 is 9477202.

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 2027749 - 2¹ = 2027747 is a prime.

It is a super-2 number, since 2×2027749² = 8223532014002, which contains 22 as substring.

It is a Duffinian number.

2027749 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2027749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2677 + ... + 3349.

It is an arithmetic number, because the mean of its divisors is an integer number (266904).

2^2027749 is an apocalyptic number.

It is an amenable number.

2027749 is a deficient number, since it is larger than the sum of its proper divisors (107483).

2027749 is a wasteful number, since it uses less digits than its factorization.

2027749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2027749 is about 1423.9905196314. The cubic root of 2027749 is about 126.5721232026.

The spelling of 2027749 in words is "two million, twenty-seven thousand, seven hundred forty-nine".