4001426 has 32 divisors (see below), whose sum is σ = 7475328. Its totient is φ = 1578240.

The previous prime is 4001411. The next prime is 4001453. The reversal of 4001426 is 6241004.

4001426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4001426² = 32022820066952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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, 4451 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (233604).

Almost surely, 2^4001426 is an apocalyptic number.

4001426 is a deficient number, since it is larger than the sum of its proper divisors (3473902).

4001426 is a wasteful number, since it uses less digits than its factorization.

4001426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4001426 is about 2000.3564682326. The cubic root of 4001426 is about 158.7589665715.

The spelling of 4001426 in words is "four million, one thousand, four hundred twenty-six".