4011975 has 36 divisors (see below), whose sum is σ = 7843992. Its totient is φ = 1944000.

The previous prime is 4011929. The next prime is 4011977. The reversal of 4011975 is 5791104.

It is not a de Polignac number, because 4011975 - 2⁶ = 4011911 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1665 + ... + 3285.

Almost surely, 2^4011975 is an apocalyptic number.

4011975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4011975 is a deficient number, since it is larger than the sum of its proper divisors (3832017).

4011975 is a wasteful number, since it uses less digits than its factorization.

4011975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 4011975 is about 2002.9915127129. The cubic root of 4011975 is about 158.8983567765.

The spelling of 4011975 in words is "four million, eleven thousand, nine hundred seventy-five".