47968394 has 4 divisors (see below), whose sum is σ = 71952594. Its totient is φ = 23984196.

The previous prime is 47968379. The next prime is 47968411. The reversal of 47968394 is 49386974.

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., 47955625 + 12769 = 6925^2 + 113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11992097 + ... + 11992100.

Almost surely, 2^47968394 is an apocalyptic number.

47968394 is a deficient number, since it is larger than the sum of its proper divisors (23984200).

47968394 is a wasteful number, since it uses less digits than its factorization.

47968394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23984199.

The product of its digits is 1306368, while the sum is 50.

The square root of 47968394 is about 6925.9218880955. The cubic root of 47968394 is about 363.3443345059.

The spelling of 47968394 in words is "forty-seven million, nine hundred sixty-eight thousand, three hundred ninety-four".