47962969 has 4 divisors (see below), whose sum is σ = 48141540. Its totient is φ = 47784400.

The previous prime is 47962949. The next prime is 47962991. The reversal of 47962969 is 96926974.

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 18662400 + 29300569 = 4320^2 + 5413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47962969 is a prime.

It is a super-2 number, since 2×47962969² = 4600892790589922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47962909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88882 + ... + 89419.

It is an arithmetic number, because the mean of its divisors is an integer number (12035385).

Almost surely, 2^47962969 is an apocalyptic number.

It is an amenable number.

47962969 is a deficient number, since it is larger than the sum of its proper divisors (178571).

47962969 is a wasteful number, since it uses less digits than its factorization.

47962969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178570.

The product of its digits is 1469664, while the sum is 52.

The square root of 47962969 is about 6925.5302324082. The cubic root of 47962969 is about 363.3306364771.

The spelling of 47962969 in words is "forty-seven million, nine hundred sixty-two thousand, nine hundred sixty-nine".