401284246 has 16 divisors (see below), whose sum is σ = 657114768. Its totient is φ = 182272000.

The previous prime is 401284241. The next prime is 401284259. The reversal of 401284246 is 642482104.

It is a super-2 number, since 2×401284246² = 322058092175577032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401284241) 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, 29526 + ... + 40918.

It is an arithmetic number, because the mean of its divisors is an integer number (41069673).

Almost surely, 2^401284246 is an apocalyptic number.

401284246 is a deficient number, since it is larger than the sum of its proper divisors (255830522).

401284246 is a wasteful number, since it uses less digits than its factorization.

401284246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 401284246 is about 20032.0804211644. The cubic root of 401284246 is about 737.5939911233.

The spelling of 401284246 in words is "four hundred one million, two hundred eighty-four thousand, two hundred forty-six".