4013967 has 4 divisors (see below), whose sum is σ = 5351960. Its totient is φ = 2675976.

The previous prime is 4013953. The next prime is 4013981. The reversal of 4013967 is 7693104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4013953) and next prime (4013981).

It is not a de Polignac number, because 4013967 - 2⁴ = 4013951 is a prime.

It is a super-2 number, since 2×4013967² = 32223862154178, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013917) 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, 668992 + ... + 668997.

It is an arithmetic number, because the mean of its divisors is an integer number (1337990).

Almost surely, 2^4013967 is an apocalyptic number.

4013967 is a deficient number, since it is larger than the sum of its proper divisors (1337993).

4013967 is a wasteful number, since it uses less digits than its factorization.

4013967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337992.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 4013967 is about 2003.4887072305. The cubic root of 4013967 is about 158.9246508216.

The spelling of 4013967 in words is "four million, thirteen thousand, nine hundred sixty-seven".