2039870 has 48 divisors (see below), whose sum is σ = 4481568. Its totient is φ = 665280.

The previous prime is 2039867. The next prime is 2039879. The reversal of 2039870 is 789302.

It is a super-2 number, since 2×2039870² = 8322139233800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11180 + ... + 11360.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2^2039870 is an apocalyptic number.

2039870 is an abundant number, since it is smaller than the sum of its proper divisors (2441698).

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

2039870 is a wasteful number, since it uses less digits than its factorization.

2039870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2039870 is about 1428.2401758808. The cubic root of 2039870 is about 126.8238200232.

The spelling of 2039870 in words is "two million, thirty-nine thousand, eight hundred seventy".