4011972 has 12 divisors (see below), whose sum is σ = 9361296. Its totient is φ = 1337320.

The previous prime is 4011929. The next prime is 4011977. The reversal of 4011972 is 2791104.

4011972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4011977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167154 + ... + 167177.

It is an arithmetic number, because the mean of its divisors is an integer number (780108).

Almost surely, 2^4011972 is an apocalyptic number.

It is an amenable number.

4011972 is an abundant number, since it is smaller than the sum of its proper divisors (5349324).

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

4011972 is a wasteful number, since it uses less digits than its factorization.

4011972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334338 (or 334336 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 4011972 is about 2002.9907638329. The cubic root of 4011972 is about 158.8983171705.

The spelling of 4011972 in words is "four million, eleven thousand, nine hundred seventy-two".