630932947 has 8 divisors (see below), whose sum is σ = 639887040. Its totient is φ = 622003200.

The previous prime is 630932933. The next prime is 630932957. The reversal of 630932947 is 749239036.

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 630932947 - 2¹¹ = 630930899 is a prime.

It is a super-2 number, since 2×630932947² = 796152767220209618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630932957) 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, 49683 + ... + 61075.

It is an arithmetic number, because the mean of its divisors is an integer number (79985880).

Almost surely, 2^630932947 is an apocalyptic number.

630932947 is a deficient number, since it is larger than the sum of its proper divisors (8954093).

630932947 is a wasteful number, since it uses less digits than its factorization.

630932947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12173.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 630932947 is about 25118.3786698107. The cubic root of 630932947 is about 857.6848434915.

The spelling of 630932947 in words is "six hundred thirty million, nine hundred thirty-two thousand, nine hundred forty-seven".