630386469 has 24 divisors (see below), whose sum is σ = 999835200. Its totient is φ = 395534016.

The previous prime is 630386467. The next prime is 630386473. The reversal of 630386469 is 964683036.

630386469 is a `hidden beast` number, since 630 + 3 + 8 + 6 + 4 + 6 + 9 = 666.

It is not a de Polignac number, because 630386469 - 2¹ = 630386467 is a prime.

It is a super-2 number, since 2×630386469² = 794774200596575922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630386467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72169 + ... + 80430.

It is an arithmetic number, because the mean of its divisors is an integer number (41659800).

Almost surely, 2^630386469 is an apocalyptic number.

It is an amenable number.

630386469 is a deficient number, since it is larger than the sum of its proper divisors (369448731).

630386469 is a wasteful number, since it uses less digits than its factorization.

630386469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152631 (or 152619 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 630386469 is about 25107.4982624713. The cubic root of 630386469 is about 857.4371461267.

The spelling of 630386469 in words is "six hundred thirty million, three hundred eighty-six thousand, four hundred sixty-nine".