47917146 has 16 divisors (see below), whose sum is σ = 98424864. Its totient is φ = 15540624.

The previous prime is 47917123. The next prime is 47917153. The reversal of 47917146 is 64171974.

47917146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×47917146³ (a number of 24 digits) contains 333 as substring.

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, 107700 + ... + 108143.

It is an arithmetic number, because the mean of its divisors is an integer number (6151554).

Almost surely, 2^47917146 is an apocalyptic number.

47917146 is an abundant number, since it is smaller than the sum of its proper divisors (50507718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47917146 is a wasteful number, since it uses less digits than its factorization.

47917146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215885.

The product of its digits is 42336, while the sum is 39.

The square root of 47917146 is about 6922.2211753165. The cubic root of 47917146 is about 363.2148929848.

The spelling of 47917146 in words is "forty-seven million, nine hundred seventeen thousand, one hundred forty-six".