401027867 has 8 divisors (see below), whose sum is σ = 412292400. Its totient is φ = 389785824.

The previous prime is 401027857. The next prime is 401027881. The reversal of 401027867 is 768720104.

It is a happy number.

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

It is not a de Polignac number, because 401027867 - 2¹² = 401023771 is a prime.

It is a super-2 number, since 2×401027867² = 321646700221139378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401027857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34484 + ... + 44622.

It is an arithmetic number, because the mean of its divisors is an integer number (51536550).

Almost surely, 2^401027867 is an apocalyptic number.

401027867 is a deficient number, since it is larger than the sum of its proper divisors (11264533).

401027867 is a wasteful number, since it uses less digits than its factorization.

401027867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 401027867 is about 20025.6801881984. The cubic root of 401027867 is about 737.4368756467.

The spelling of 401027867 in words is "four hundred one million, twenty-seven thousand, eight hundred sixty-seven".