401568246 has 32 divisors (see below), whose sum is σ = 907010400. Its totient is φ = 131660640.

The previous prime is 401568241. The next prime is 401568253. The reversal of 401568246 is 642865104.

401568246 is a `hidden beast` number, since 401 + 5 + 6 + 8 + 246 = 666.

It is a super-2 number, since 2×401568246² = 322514112391033032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401568246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401568241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57661 + ... + 64248.

It is an arithmetic number, because the mean of its divisors is an integer number (28344075).

Almost surely, 2^401568246 is an apocalyptic number.

401568246 is an abundant number, since it is smaller than the sum of its proper divisors (505442154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401568246 is a wasteful number, since it uses less digits than its factorization.

401568246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121981 (or 121975 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 401568246 is about 20039.1677970918. The cubic root of 401568246 is about 737.7679553374.

The spelling of 401568246 in words is "four hundred one million, five hundred sixty-eight thousand, two hundred forty-six".