401098943 has 8 divisors (see below), whose sum is σ = 461049888. Its totient is φ = 341810784.

The previous prime is 401098931. The next prime is 401098961. The reversal of 401098943 is 349890104.

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

It is not a de Polignac number, because 401098943 - 2¹⁴ = 401082559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401098897 and 401098906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401098903) 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, 164396 + ... + 166817.

It is an arithmetic number, because the mean of its divisors is an integer number (57631236).

Almost surely, 2^401098943 is an apocalyptic number.

401098943 is a deficient number, since it is larger than the sum of its proper divisors (59950945).

401098943 is a wasteful number, since it uses less digits than its factorization.

401098943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331393.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 401098943 is about 20027.4547309437. The cubic root of 401098943 is about 737.4804395080.

The spelling of 401098943 in words is "four hundred one million, ninety-eight thousand, nine hundred forty-three".