401434667 has 4 divisors (see below), whose sum is σ = 409008960. Its totient is φ = 393860376.

The previous prime is 401434637. The next prime is 401434669. The reversal of 401434667 is 766434104.

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-401434667 is a prime.

It is a super-3 number, since 3×401434667³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401434669) 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, 3787067 + ... + 3787172.

It is an arithmetic number, because the mean of its divisors is an integer number (102252240).

Almost surely, 2^401434667 is an apocalyptic number.

401434667 is a deficient number, since it is larger than the sum of its proper divisors (7574293).

401434667 is an equidigital number, since it uses as much as digits as its factorization.

401434667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574292.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 401434667 is about 20035.8345720861. The cubic root of 401434667 is about 737.6861417344.

The spelling of 401434667 in words is "four hundred one million, four hundred thirty-four thousand, six hundred sixty-seven".