398060893 has 4 divisors (see below), whose sum is σ = 398363548. Its totient is φ = 397758240.

The previous prime is 398060891. The next prime is 398060909.

398060893 is nontrivially palindromic in base 10.

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 363931929 + 34128964 = 19077^2 + 5842^2 .

It is a cyclic number.

It is not a de Polignac number, because 398060893 - 2¹ = 398060891 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 (398060891) 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, 149346 + ... + 151987.

It is an arithmetic number, because the mean of its divisors is an integer number (99590887).

Almost surely, 2^398060893 is an apocalyptic number.

It is an amenable number.

398060893 is a deficient number, since it is larger than the sum of its proper divisors (302655).

398060893 is a wasteful number, since it uses less digits than its factorization.

398060893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302654.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 398060893 is about 19951.4634300344. The cubic root of 398060893 is about 735.6137486991.

The spelling of 398060893 in words is "three hundred ninety-eight million, sixty thousand, eight hundred ninety-three".