627398 has 4 divisors (see below), whose sum is σ = 941100. Its totient is φ = 313698.

The previous prime is 627391. The next prime is 627433. The reversal of 627398 is 893726.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893726 = 2 ⋅446863.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627391) by changing a digit.

627398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156848 + ... + 156851.

It is an arithmetic number, because the mean of its divisors is an integer number (235275).

2⁶²⁷³⁹⁸ is an apocalyptic number.

627398 is a deficient number, since it is larger than the sum of its proper divisors (313702).

627398 is a wasteful number, since it uses less digits than its factorization.

627398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313701.

The product of its digits is 18144, while the sum is 35.

The square root of 627398 is about 792.0845914421. The cubic root of 627398 is about 85.6080050452.

The spelling of 627398 in words is "six hundred twenty-seven thousand, three hundred ninety-eight".