4001347 has 16 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 3306240.

The previous prime is 4001339. The next prime is 4001357. The reversal of 4001347 is 7431004.

It is a happy number.

4001347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4001347 - 2³ = 4001339 is a prime.

It is a super-3 number, since 3×4001347³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4001357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41203 + ... + 41299.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

Almost surely, 2^4001347 is an apocalyptic number.

4001347 is a deficient number, since it is larger than the sum of its proper divisors (740285).

4001347 is an equidigital number, since it uses as much as digits as its factorization.

4001347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4001347 is about 2000.3367216546. The cubic root of 4001347 is about 158.7579217739.

The spelling of 4001347 in words is "four million, one thousand, three hundred forty-seven".