2049685 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1469440.

The previous prime is 2049679. The next prime is 2049703. The reversal of 2049685 is 5869402.

It is a happy number.

It is not a de Polignac number, because 2049685 - 2¹¹ = 2047637 is a prime.

2049685 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2049685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2049685 is an apocalyptic number.

It is an amenable number.

2049685 is a deficient number, since it is larger than the sum of its proper divisors (671915).

2049685 is a wasteful number, since it uses less digits than its factorization.

2049685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2049685 is about 1431.6720993300. The cubic root of 2049685 is about 127.0269023547.

It can be divided in two parts, 204 and 9685, that added together give a palindrome (9889).

The spelling of 2049685 in words is "two million, forty-nine thousand, six hundred eighty-five".