2049786 has 20 divisors (see below), whose sum is σ = 4593402. Its totient is φ = 683208.

The previous prime is 2049727. The next prime is 2049787. The reversal of 2049786 is 6879402.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 2025 = 1431^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2049786.

It is not an unprimeable number, because it can be changed into a prime (2049787) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6165 + ... + 6488.

2^2049786 is an apocalyptic number.

2049786 is an abundant number, since it is smaller than the sum of its proper divisors (2543616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049786 is a wasteful number, since it uses less digits than its factorization.

2049786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667 (or 12658 counting only the distinct ones).

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

The square root of 2049786 is about 1431.7073723356. The cubic root of 2049786 is about 127.0289887739.

The spelling of 2049786 in words is "two million, forty-nine thousand, seven hundred eighty-six".