627323381 has 4 divisors (see below), whose sum is σ = 627740064. Its totient is φ = 626906700.

The previous prime is 627323377. The next prime is 627323401. The reversal of 627323381 is 183323726.

627323381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 627323381 - 2² = 627323377 is a prime.

It is a super-2 number, since 2×627323381² = 787069248698542322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627323311) 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, 206075 + ... + 209096.

It is an arithmetic number, because the mean of its divisors is an integer number (156935016).

Almost surely, 2^627323381 is an apocalyptic number.

It is an amenable number.

627323381 is a deficient number, since it is larger than the sum of its proper divisors (416683).

627323381 is a wasteful number, since it uses less digits than its factorization.

627323381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416682.

The product of its digits is 36288, while the sum is 35.

The square root of 627323381 is about 25046.4245152876. The cubic root of 627323381 is about 856.0461100769.

The spelling of 627323381 in words is "six hundred twenty-seven million, three hundred twenty-three thousand, three hundred eighty-one".