401936851 has 8 divisors (see below), whose sum is σ = 410319360. Its totient is φ = 393606792.

The previous prime is 401936827. The next prime is 401936861. The reversal of 401936851 is 158639104.

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

It is a cyclic number.

It is not a de Polignac number, because 401936851 - 2¹⁷ = 401805779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401936851.

It is not an unprimeable number, because it can be changed into a prime (401936861) 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, 2566 + ... + 28468.

It is an arithmetic number, because the mean of its divisors is an integer number (51289920).

Almost surely, 2^401936851 is an apocalyptic number.

401936851 is a deficient number, since it is larger than the sum of its proper divisors (8382509).

401936851 is a wasteful number, since it uses less digits than its factorization.

401936851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 401936851 is about 20048.3628009870. The cubic root of 401936851 is about 737.9936220785.

The spelling of 401936851 in words is "four hundred one million, nine hundred thirty-six thousand, eight hundred fifty-one".