401321246 has 4 divisors (see below), whose sum is σ = 601981872. Its totient is φ = 200660622.

The previous prime is 401321237. The next prime is 401321293. The reversal of 401321246 is 642123104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401321246² = 322117484981985032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 100330310 + ... + 100330313.

It is an arithmetic number, because the mean of its divisors is an integer number (150495468).

Almost surely, 2^401321246 is an apocalyptic number.

401321246 is a deficient number, since it is larger than the sum of its proper divisors (200660626).

401321246 is a wasteful number, since it uses less digits than its factorization.

401321246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200660625.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 401321246 is about 20033.0039185340. The cubic root of 401321246 is about 737.6166601243.

The spelling of 401321246 in words is "four hundred one million, three hundred twenty-one thousand, two hundred forty-six".