2172035982 has 16 divisors (see below), whose sum is σ = 4351877712. Its totient is φ = 722711040.

The previous prime is 2172035969. The next prime is 2172035993. The reversal of 2172035982 is 2895302712.

It is a self number, because there is not a number n which added to its sum of digits gives 2172035982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321619 + ... + 328302.

It is an arithmetic number, because the mean of its divisors is an integer number (271992357).

Almost surely, 2^2172035982 is an apocalyptic number.

2172035982 is an abundant number, since it is smaller than the sum of its proper divisors (2179841730).

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

2172035982 is a wasteful number, since it uses less digits than its factorization.

2172035982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650483.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2172035982 is about 46605.1068231798. The cubic root of 2172035982 is about 1295.0573623364.

The spelling of 2172035982 in words is "two billion, one hundred seventy-two million, thirty-five thousand, nine hundred eighty-two".