47933969 has 4 divisors (see below), whose sum is σ = 48015396. Its totient is φ = 47852544.

The previous prime is 47933959. The next prime is 47933987. The reversal of 47933969 is 96933974.

It is a happy number.

47933969 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.

It can be written as a sum of positive squares in 2 ways, for example, as 26884225 + 21049744 = 5185^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 47933969 - 2²⁴ = 31156753 is a prime.

It is a super-2 number, since 2×47933969² = 4595330768185922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47933939) 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 3 ways as a sum of consecutive naturals, for example, 39824 + ... + 41009.

It is an arithmetic number, because the mean of its divisors is an integer number (12003849).

Almost surely, 2^47933969 is an apocalyptic number.

It is an amenable number.

47933969 is a deficient number, since it is larger than the sum of its proper divisors (81427).

47933969 is an equidigital number, since it uses as much as digits as its factorization.

47933969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81426.

The product of its digits is 1102248, while the sum is 50.

The square root of 47933969 is about 6923.4362133264. The cubic root of 47933969 is about 363.2573944671.

The spelling of 47933969 in words is "forty-seven million, nine hundred thirty-three thousand, nine hundred sixty-nine".