4191972 has 12 divisors (see below), whose sum is σ = 9781296. Its totient is φ = 1397320.

The previous prime is 4191953. The next prime is 4191973. The reversal of 4191972 is 2791914.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4191973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174654 + ... + 174677.

It is an arithmetic number, because the mean of its divisors is an integer number (815108).

Almost surely, 2^4191972 is an apocalyptic number.

It is an amenable number.

4191972 is an abundant number, since it is smaller than the sum of its proper divisors (5589324).

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

4191972 is a wasteful number, since it uses less digits than its factorization.

4191972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349338 (or 349336 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 4191972 is about 2047.4305849039. The cubic root of 4191972 is about 161.2400005818.

The spelling of 4191972 in words is "four million, one hundred ninety-one thousand, nine hundred seventy-two".