398674027 has 4 divisors (see below), whose sum is σ = 407945560. Its totient is φ = 389402496.

The previous prime is 398674007. The next prime is 398674051. The reversal of 398674027 is 720476893.

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

It is not a de Polignac number, because 398674027 - 2¹⁵ = 398641259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398674007) 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, 4635702 + ... + 4635787.

It is an arithmetic number, because the mean of its divisors is an integer number (101986390).

Almost surely, 2^398674027 is an apocalyptic number.

398674027 is a deficient number, since it is larger than the sum of its proper divisors (9271533).

398674027 is an equidigital number, since it uses as much as digits as its factorization.

398674027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271532.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 398674027 is about 19966.8231574279. The cubic root of 398674027 is about 735.9912440623.

The spelling of 398674027 in words is "three hundred ninety-eight million, six hundred seventy-four thousand, twenty-seven".