401004067 has 4 divisors (see below), whose sum is σ = 410784696. Its totient is φ = 391223440.

The previous prime is 401004053. The next prime is 401004073. The reversal of 401004067 is 760400104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401004067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401004767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4890253 + ... + 4890334.

It is an arithmetic number, because the mean of its divisors is an integer number (102696174).

Almost surely, 2^401004067 is an apocalyptic number.

401004067 is a deficient number, since it is larger than the sum of its proper divisors (9780629).

401004067 is an equidigital number, since it uses as much as digits as its factorization.

401004067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780628.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 401004067 is about 20025.0859423874. The cubic root of 401004067 is about 737.4222870139.

The spelling of 401004067 in words is "four hundred one million, four thousand, sixty-seven".