401213673 has 12 divisors (see below), whose sum is σ = 662321088. Its totient is φ = 229264920.

The previous prime is 401213623. The next prime is 401213677. The reversal of 401213673 is 376312104.

It is not a de Polignac number, because 401213673 - 2⁶ = 401213609 is a prime.

It is a super-2 number, since 2×401213673² = 321944822804301858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401213677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3184173 + ... + 3184298.

It is an arithmetic number, because the mean of its divisors is an integer number (55193424).

Almost surely, 2^401213673 is an apocalyptic number.

It is an amenable number.

401213673 is a deficient number, since it is larger than the sum of its proper divisors (261107415).

401213673 is a wasteful number, since it uses less digits than its factorization.

401213673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368484 (or 6368481 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 401213673 is about 20030.3188441922. The cubic root of 401213673 is about 737.5507488969.

Adding to 401213673 its reverse (376312104), we get a palindrome (777525777).

The spelling of 401213673 in words is "four hundred one million, two hundred thirteen thousand, six hundred seventy-three".