401430667 has 4 divisors (see below), whose sum is σ = 437924376. Its totient is φ = 364936960.

The previous prime is 401430629. The next prime is 401430683. The reversal of 401430667 is 766034104.

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

It is a cyclic number.

It is not a de Polignac number, because 401430667 - 2⁷ = 401430539 is a prime.

It is a super-2 number, since 2×401430667² = 322293160816129778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401430697) 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, 18246838 + ... + 18246859.

It is an arithmetic number, because the mean of its divisors is an integer number (109481094).

Almost surely, 2^401430667 is an apocalyptic number.

401430667 is a deficient number, since it is larger than the sum of its proper divisors (36493709).

401430667 is a wasteful number, since it uses less digits than its factorization.

401430667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36493708.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 401430667 is about 20035.7347506898. The cubic root of 401430667 is about 737.6836915604.

The spelling of 401430667 in words is "four hundred one million, four hundred thirty thousand, six hundred sixty-seven".