401759943 has 16 divisors (see below), whose sum is σ = 590958816. Its totient is φ = 241205760.

The previous prime is 401759927. The next prime is 401759947. The reversal of 401759943 is 349957104.

It is not a de Polignac number, because 401759943 - 2⁴ = 401759927 is a prime.

It is a super-2 number, since 2×401759943² = 322822103598726498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401759895 and 401759904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401759947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124030 + ... + 127227.

It is an arithmetic number, because the mean of its divisors is an integer number (36934926).

Almost surely, 2^401759943 is an apocalyptic number.

401759943 is a deficient number, since it is larger than the sum of its proper divisors (189198873).

401759943 is a wasteful number, since it uses less digits than its factorization.

401759943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251314.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 401759943 is about 20043.9502843127. The cubic root of 401759943 is about 737.8853329824.

The spelling of 401759943 in words is "four hundred one million, seven hundred fifty-nine thousand, nine hundred forty-three".