801396543 has 8 divisors (see below), whose sum is σ = 1076942848. Its totient is φ = 530057304.

The previous prime is 801396529. The next prime is 801396601. The reversal of 801396543 is 345693108.

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

It is not a de Polignac number, because 801396543 - 2⁵ = 801396511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801396503) 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 7 ways as a sum of consecutive naturals, for example, 1051321 + ... + 1052082.

It is an arithmetic number, because the mean of its divisors is an integer number (134617856).

Almost surely, 2^801396543 is an apocalyptic number.

801396543 is a deficient number, since it is larger than the sum of its proper divisors (275546305).

801396543 is a wasteful number, since it uses less digits than its factorization.

801396543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103533.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 801396543 is about 28308.9481083279. The cubic root of 801396543 is about 928.8576342321.

The spelling of 801396543 in words is "eight hundred one million, three hundred ninety-six thousand, five hundred forty-three".