47397194 has 16 divisors (see below), whose sum is σ = 79206120. Its totient is φ = 21120960.

The previous prime is 47397169. The next prime is 47397209. The reversal of 47397194 is 49179374.

It is a happy number.

47397194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 44289025 + 3108169 = 6655^2 + 1763^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30677 + ... + 32184.

Almost surely, 2^47397194 is an apocalyptic number.

47397194 is a deficient number, since it is larger than the sum of its proper divisors (31808926).

47397194 is a wasteful number, since it uses less digits than its factorization.

47397194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62905.

The product of its digits is 190512, while the sum is 44.

The square root of 47397194 is about 6884.5620049499. The cubic root of 47397194 is about 361.8963562754.

The spelling of 47397194 in words is "forty-seven million, three hundred ninety-seven thousand, one hundred ninety-four".