47398493 has 2 divisors, whose sum is σ = 47398494. Its totient is φ = 47398492.

The previous prime is 47398453. The next prime is 47398523. The reversal of 47398493 is 39489374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27489049 + 19909444 = 5243^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 47398493 - 2¹⁴ = 47382109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47398433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23699246 + 23699247.

It is an arithmetic number, because the mean of its divisors is an integer number (23699247).

Almost surely, 2^47398493 is an apocalyptic number.

It is an amenable number.

47398493 is a deficient number, since it is larger than the sum of its proper divisors (1).

47398493 is an equidigital number, since it uses as much as digits as its factorization.

47398493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 47398493 is about 6884.6563458171. The cubic root of 47398493 is about 361.8996623718.

The spelling of 47398493 in words is "forty-seven million, three hundred ninety-eight thousand, four hundred ninety-three".