401047 has 8 divisors (see below), whose sum is σ = 438912. Its totient is φ = 364800.

The previous prime is 401039. The next prime is 401053. The reversal of 401047 is 740104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401047 - 2³ = 401039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401017) 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 7 ways as a sum of consecutive naturals, for example, 147 + ... + 907.

It is an arithmetic number, because the mean of its divisors is an integer number (54864).

2⁴⁰¹⁰⁴⁷ is an apocalyptic number.

401047 is a deficient number, since it is larger than the sum of its proper divisors (37865).

401047 is a wasteful number, since it uses less digits than its factorization.

401047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 401047 is about 633.2827172756. The cubic root of 401047 is about 73.7448603140.

The spelling of 401047 in words is "four hundred one thousand, forty-seven", and thus it is an iban number.