401843013 has 16 divisors (see below), whose sum is σ = 629461056. Its totient is φ = 224807040.

The previous prime is 401842999. The next prime is 401843021. The reversal of 401843013 is 310348104.

It is not a de Polignac number, because 401843013 - 2¹⁰ = 401841989 is a prime.

It is a super-2 number, since 2×401843013² = 322955614193836338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401843033) 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 15 ways as a sum of consecutive naturals, for example, 467920 + ... + 468777.

It is an arithmetic number, because the mean of its divisors is an integer number (39341316).

Almost surely, 2^401843013 is an apocalyptic number.

It is an amenable number.

401843013 is a deficient number, since it is larger than the sum of its proper divisors (227618043).

401843013 is a wasteful number, since it uses less digits than its factorization.

401843013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936724.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 401843013 is about 20046.0223735284. The cubic root of 401843013 is about 737.9361858292.

The spelling of 401843013 in words is "four hundred one million, eight hundred forty-three thousand, thirteen".