47989322 has 4 divisors (see below), whose sum is σ = 71983986. Its totient is φ = 23994660.

The previous prime is 47989313. The next prime is 47989367. The reversal of 47989322 is 22398974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 16168441 = 5641^2 + 4021^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11997329 + ... + 11997332.

Almost surely, 2^47989322 is an apocalyptic number.

47989322 is a deficient number, since it is larger than the sum of its proper divisors (23994664).

47989322 is a wasteful number, since it uses less digits than its factorization.

47989322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23994663.

The product of its digits is 217728, while the sum is 44.

The square root of 47989322 is about 6927.4325691413. The cubic root of 47989322 is about 363.3971676599.

The spelling of 47989322 in words is "forty-seven million, nine hundred eighty-nine thousand, three hundred twenty-two".