627398240 has 96 divisors (see below), whose sum is σ = 1783192320. Its totient is φ = 203779584.

The previous prime is 627398227. The next prime is 627398249. The reversal of 627398240 is 42893726.

It is a happy number.

Together with 1155794079 it forms a betrothed pair.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627398249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539 + ... + 36021.

It is an arithmetic number, because the mean of its divisors is an integer number (18574920).

Almost surely, 2^627398240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627398240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891596160).

627398240 is an abundant number, since it is smaller than the sum of its proper divisors (1155794080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627398240 is a wasteful number, since it uses less digits than its factorization.

627398240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29524 (or 29516 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 627398240 is about 25047.9188756272. The cubic root of 627398240 is about 856.0801596112.

The spelling of 627398240 in words is "six hundred twenty-seven million, three hundred ninety-eight thousand, two hundred forty".