47628969 has 8 divisors (see below), whose sum is σ = 64270752. Its totient is φ = 31369920.

The previous prime is 47628949. The next prime is 47629061. The reversal of 47628969 is 96982674.

It is a happy number.

47628969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47628969 - 2¹¹ = 47626921 is a prime.

It is a super-2 number, since 2×47628969² = 4537037376005922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47628949) 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 7 ways as a sum of consecutive naturals, for example, 95392 + ... + 95889.

It is an arithmetic number, because the mean of its divisors is an integer number (8033844).

Almost surely, 2^47628969 is an apocalyptic number.

It is an amenable number.

47628969 is a deficient number, since it is larger than the sum of its proper divisors (16641783).

47628969 is a wasteful number, since it uses less digits than its factorization.

47628969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191367.

The product of its digits is 1306368, while the sum is 51.

The square root of 47628969 is about 6901.3744283295. The cubic root of 47628969 is about 362.4852953211.

It can be divided in two parts, 4762 and 8969, that added together give a palindrome (13731).

The spelling of 47628969 in words is "forty-seven million, six hundred twenty-eight thousand, nine hundred sixty-nine".