2086749 has 32 divisors (see below), whose sum is σ = 3610880. Its totient is φ = 1166400.

The previous prime is 2086739. The next prime is 2086757. The reversal of 2086749 is 9476802.

It is not a de Polignac number, because 2086749 - 2⁷ = 2086621 is a prime.

2086749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11439 + ... + 11619.

It is an arithmetic number, because the mean of its divisors is an integer number (112840).

2^2086749 is an apocalyptic number.

It is an amenable number.

2086749 is a deficient number, since it is larger than the sum of its proper divisors (1524131).

2086749 is a wasteful number, since it uses less digits than its factorization.

2086749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2086749 is about 1444.5584100340. The cubic root of 2086749 is about 127.7879994903.

The spelling of 2086749 in words is "two million, eighty-six thousand, seven hundred forty-nine".