2039973 has 16 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 1188864.

The previous prime is 2039971. The next prime is 2039977. The reversal of 2039973 is 3799302.

It is not a de Polignac number, because 2039973 - 2¹ = 2039971 is a prime.

It is a super-2 number, since 2×2039973² = 8322979681458, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039971) 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, 636 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

2^2039973 is an apocalyptic number.

It is an amenable number.

2039973 is a deficient number, since it is larger than the sum of its proper divisors (1044507).

2039973 is a wasteful number, since it uses less digits than its factorization.

2039973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 2039973 is about 1428.2762337867. The cubic root of 2039973 is about 126.8259545765.

It can be divided in two parts, 20 and 39973, that added together give a palindrome (39993).

The spelling of 2039973 in words is "two million, thirty-nine thousand, nine hundred seventy-three".