398488627 has 4 divisors (see below), whose sum is σ = 398699496. Its totient is φ = 398277760.

The previous prime is 398488613. The next prime is 398488667. The reversal of 398488627 is 726884893.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398488627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398488667) 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, 102574 + ... + 106387.

It is an arithmetic number, because the mean of its divisors is an integer number (99674874).

Almost surely, 2^398488627 is an apocalyptic number.

398488627 is a deficient number, since it is larger than the sum of its proper divisors (210869).

398488627 is a wasteful number, since it uses less digits than its factorization.

398488627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210868.

The product of its digits is 4644864, while the sum is 55.

The square root of 398488627 is about 19962.1799160312. The cubic root of 398488627 is about 735.8771375284.

The spelling of 398488627 in words is "three hundred ninety-eight million, four hundred eighty-eight thousand, six hundred twenty-seven".