398849 has 8 divisors (see below), whose sum is σ = 440640. Its totient is φ = 358000.

The previous prime is 398833. The next prime is 398857. The reversal of 398849 is 948893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398849 - 2⁴ = 398833 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932 + ... + 1290.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2³⁹⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

398849 is a deficient number, since it is larger than the sum of its proper divisors (41791).

398849 is a wasteful number, since it uses less digits than its factorization.

398849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471.

The product of its digits is 62208, while the sum is 41.

The square root of 398849 is about 631.5449311015. The cubic root of 398849 is about 73.6098900738.

It can be divided in two parts, 39884 and 9, that added together give a palindrome (39893).

The spelling of 398849 in words is "three hundred ninety-eight thousand, eight hundred forty-nine".