630089387 has 8 divisors (see below), whose sum is σ = 642350304. Its totient is φ = 617842368.

The previous prime is 630089371. The next prime is 630089389. The reversal of 630089387 is 783980036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 630089387 - 2⁴ = 630089371 is a prime.

It is a super-2 number, since 2×630089387² = 794025271220071538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630089389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180218 + ... + 183680.

It is an arithmetic number, because the mean of its divisors is an integer number (80293788).

Almost surely, 2^630089387 is an apocalyptic number.

630089387 is a deficient number, since it is larger than the sum of its proper divisors (12260917).

630089387 is a wasteful number, since it uses less digits than its factorization.

630089387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 630089387 is about 25101.5813645276. The cubic root of 630089387 is about 857.3024302655.

The spelling of 630089387 in words is "six hundred thirty million, eighty-nine thousand, three hundred eighty-seven".