401433289 has 8 divisors (see below), whose sum is σ = 409473792. Its totient is φ = 393410160.

The previous prime is 401433269. The next prime is 401433293. The reversal of 401433289 is 982334104.

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 401433289 - 2¹⁹ = 400909001 is a prime.

It is a super-2 number, since 2×401433289² = 322297371034715042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401433209) 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 7 ways as a sum of consecutive naturals, for example, 48702 + ... + 56344.

It is an arithmetic number, because the mean of its divisors is an integer number (51184224).

Almost surely, 2^401433289 is an apocalyptic number.

It is an amenable number.

401433289 is a deficient number, since it is larger than the sum of its proper divisors (8040503).

401433289 is an equidigital number, since it uses as much as digits as its factorization.

401433289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 401433289 is about 20035.8001836712. The cubic root of 401433289 is about 737.6852976513.

The spelling of 401433289 in words is "four hundred one million, four hundred thirty-three thousand, two hundred eighty-nine".