2039856 has 80 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 536832.

The previous prime is 2039837. The next prime is 2039857. The reversal of 2039856 is 6589302.

It is a happy number.

It is a super-2 number, since 2×2039856² = 8322025001472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2039857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135 + ... + 4601.

2^2039856 is an apocalyptic number.

2039856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2039856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249792).

2039856 is an abundant number, since it is smaller than the sum of its proper divisors (4459728).

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

2039856 is a wasteful number, since it uses less digits than its factorization.

2039856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2039856 is about 1428.2352747359. The cubic root of 2039856 is about 126.8235298842.

The spelling of 2039856 in words is "two million, thirty-nine thousand, eight hundred fifty-six".