398441333 has 4 divisors (see below), whose sum is σ = 405959148. Its totient is φ = 390923520.

The previous prime is 398441327. The next prime is 398441369. The reversal of 398441333 is 333144893.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128890609 + 269550724 = 11353^2 + 16418^2 .

It is a cyclic number.

It is not a de Polignac number, because 398441333 - 2⁶ = 398441269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398441383) 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, 3758828 + ... + 3758933.

It is an arithmetic number, because the mean of its divisors is an integer number (101489787).

Almost surely, 2^398441333 is an apocalyptic number.

It is an amenable number.

398441333 is a deficient number, since it is larger than the sum of its proper divisors (7517815).

398441333 is an equidigital number, since it uses as much as digits as its factorization.

398441333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7517814.

The product of its digits is 93312, while the sum is 38.

The square root of 398441333 is about 19960.9952908165. The cubic root of 398441333 is about 735.8480242339.

The spelling of 398441333 in words is "three hundred ninety-eight million, four hundred forty-one thousand, three hundred thirty-three".