2039923970 has 32 divisors (see below), whose sum is σ = 4235649408. Its totient is φ = 692863488.

The previous prime is 2039923931. The next prime is 2039923987. The reversal of 2039923970 is 793299302.

It is a super-2 number, since 2×2039923970² = 8322579606761121800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 128687 + ... + 143666.

It is an arithmetic number, because the mean of its divisors is an integer number (132364044).

Almost surely, 2^2039923970 is an apocalyptic number.

2039923970 is an abundant number, since it is smaller than the sum of its proper divisors (2195725438).

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

2039923970 is a wasteful number, since it uses less digits than its factorization.

2039923970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272474.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 2039923970 is about 45165.5174884557. The cubic root of 2039923970 is about 1268.2493849664.

The spelling of 2039923970 in words is "two billion, thirty-nine million, nine hundred twenty-three thousand, nine hundred seventy".