401982773 has 4 divisors (see below), whose sum is σ = 402075360. Its totient is φ = 401890188.

The previous prime is 401982769. The next prime is 401982803. The reversal of 401982773 is 377289104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401982773 - 2² = 401982769 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 401982773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401982703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39443 + ... + 48576.

It is an arithmetic number, because the mean of its divisors is an integer number (100518840).

Almost surely, 2^401982773 is an apocalyptic number.

It is an amenable number.

401982773 is a deficient number, since it is larger than the sum of its proper divisors (92587).

401982773 is an equidigital number, since it uses as much as digits as its factorization.

401982773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92586.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 401982773 is about 20049.5080488275. The cubic root of 401982773 is about 738.0217267027.

The spelling of 401982773 in words is "four hundred one million, nine hundred eighty-two thousand, seven hundred seventy-three".