398846773 has 18 divisors (see below), whose sum is σ = 447190562. Its totient is φ = 353609760.

The previous prime is 398846771. The next prime is 398846813. The reversal of 398846773 is 377648893.

It can be written as a sum of positive squares in 3 ways, for example, as 19298449 + 379548324 = 4393^2 + 19482^2 .

It is not a de Polignac number, because 398846773 - 2¹ = 398846771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398846771) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2088108 + ... + 2088298.

Almost surely, 2^398846773 is an apocalyptic number.

It is an amenable number.

398846773 is a deficient number, since it is larger than the sum of its proper divisors (48343789).

398846773 is an equidigital number, since it uses as much as digits as its factorization.

398846773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 233 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The square root of 398846773 is about 19971.1485147950. The cubic root of 398846773 is about 736.0975307159.

The spelling of 398846773 in words is "three hundred ninety-eight million, eight hundred forty-six thousand, seven hundred seventy-three".