4001356 has 36 divisors (see below), whose sum is σ = 7680064. Its totient is φ = 1821600.

The previous prime is 4001339. The next prime is 4001357. The reversal of 4001356 is 6531004.

4001356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 65566 + ... + 65626.

Almost surely, 2^4001356 is an apocalyptic number.

4001356 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4001356 is a deficient number, since it is larger than the sum of its proper divisors (3678708).

4001356 is a wasteful number, since it uses less digits than its factorization.

4001356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 4001356 is about 2000.3389712746. The cubic root of 4001356 is about 158.7580408021.

The spelling of 4001356 in words is "four million, one thousand, three hundred fifty-six".