4011963 has 8 divisors (see below), whose sum is σ = 5398800. Its totient is φ = 2649888.

The previous prime is 4011929. The next prime is 4011977. The reversal of 4011963 is 3691104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4011963 - 2⁶ = 4011899 is a prime.

It is a super-2 number, since 2×4011963² = 32191694226738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4011923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (674850).

Almost surely, 2^4011963 is an apocalyptic number.

4011963 is a deficient number, since it is larger than the sum of its proper divisors (1386837).

4011963 is a wasteful number, since it uses less digits than its factorization.

4011963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12381.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4011963 is about 2002.9885171912. The cubic root of 4011963 is about 158.8981983522.

The spelling of 4011963 in words is "four million, eleven thousand, nine hundred sixty-three".