47946319 has 2 divisors, whose sum is σ = 47946320. Its totient is φ = 47946318.

The previous prime is 47946313. The next prime is 47946331. The reversal of 47946319 is 91364974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47946319 - 2¹¹ = 47944271 is a prime.

It is a super-2 number, since 2×47946319² = 4597699011299522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47946313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23973159 + 23973160.

It is an arithmetic number, because the mean of its divisors is an integer number (23973160).

Almost surely, 2^47946319 is an apocalyptic number.

47946319 is a deficient number, since it is larger than the sum of its proper divisors (1).

47946319 is an equidigital number, since it uses as much as digits as its factorization.

47946319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 47946319 is about 6924.3280540425. The cubic root of 47946319 is about 363.2885890715.

The spelling of 47946319 in words is "forty-seven million, nine hundred forty-six thousand, three hundred nineteen".