47091346 has 16 divisors (see below), whose sum is σ = 71525376. Its totient is φ = 23251536.

The previous prime is 47091337. The next prime is 47091349. The reversal of 47091346 is 64319074.

It is a happy number.

47091346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47091349) by changing a digit.

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, 100605 + ... + 101071.

It is an arithmetic number, because the mean of its divisors is an integer number (4470336).

Almost surely, 2^47091346 is an apocalyptic number.

47091346 is a deficient number, since it is larger than the sum of its proper divisors (24434030).

47091346 is a wasteful number, since it uses less digits than its factorization.

47091346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 47091346 is about 6862.3134583025. The cubic root of 47091346 is about 361.1162523362.

It can be divided in two parts, 47091 and 346, that multiplied together give a triangular number (16293486 = T₅₇₀₈).

The spelling of 47091346 in words is "forty-seven million, ninety-one thousand, three hundred forty-six".