4014991 has 4 divisors (see below), whose sum is σ = 4019184. Its totient is φ = 4010800.

The previous prime is 4014977. The next prime is 4015013. The reversal of 4014991 is 1994104.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4014991 - 2⁷ = 4014863 is a prime.

It is a super-2 number, since 2×4014991² = 32240305460162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014931) 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, 126 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (1004796).

Almost surely, 2^4014991 is an apocalyptic number.

4014991 is a deficient number, since it is larger than the sum of its proper divisors (4193).

4014991 is a wasteful number, since it uses less digits than its factorization.

4014991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 4014991 is about 2003.7442451571. The cubic root of 4014991 is about 158.9381640539.

It can be divided in two parts, 4014 and 991, that added together give a palindrome (5005).

The spelling of 4014991 in words is "four million, fourteen thousand, nine hundred ninety-one".