398344827 has 8 divisors (see below), whose sum is σ = 531372816. Its totient is φ = 265440032.

The previous prime is 398344763. The next prime is 398344831. The reversal of 398344827 is 728443893.

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 398344827 - 2⁶ = 398344763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398344847) 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, 22968 + ... + 36389.

It is an arithmetic number, because the mean of its divisors is an integer number (66421602).

Almost surely, 2^398344827 is an apocalyptic number.

398344827 is a deficient number, since it is larger than the sum of its proper divisors (133027989).

398344827 is a wasteful number, since it uses less digits than its factorization.

398344827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61597.

The product of its digits is 1161216, while the sum is 48.

The square root of 398344827 is about 19958.5777799922. The cubic root of 398344827 is about 735.7886098126.

It can be divided in two parts, 398344 and 827, that added together give a triangular number (399171 = T₈₉₃).

The spelling of 398344827 in words is "three hundred ninety-eight million, three hundred forty-four thousand, eight hundred twenty-seven".