401203982 has 4 divisors (see below), whose sum is σ = 601805976. Its totient is φ = 200601990.

The previous prime is 401203969. The next prime is 401203991. The reversal of 401203982 is 289302104.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 100300994 + ... + 100300997.

It is an arithmetic number, because the mean of its divisors is an integer number (150451494).

Almost surely, 2^401203982 is an apocalyptic number.

401203982 is a deficient number, since it is larger than the sum of its proper divisors (200601994).

401203982 is a wasteful number, since it uses less digits than its factorization.

401203982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200601993.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 401203982 is about 20030.0769344504. The cubic root of 401203982 is about 737.5448105302.

The spelling of 401203982 in words is "four hundred one million, two hundred three thousand, nine hundred eighty-two".