47294891 has 4 divisors (see below), whose sum is σ = 54051312. Its totient is φ = 40538472.

The previous prime is 47294881. The next prime is 47294899. The reversal of 47294891 is 19849274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47294891 - 2⁶ = 47294827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47294899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378200 + ... + 3378213.

It is an arithmetic number, because the mean of its divisors is an integer number (13512828).

Almost surely, 2^47294891 is an apocalyptic number.

47294891 is a deficient number, since it is larger than the sum of its proper divisors (6756421).

47294891 is an equidigital number, since it uses as much as digits as its factorization.

47294891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756420.

The product of its digits is 145152, while the sum is 44.

The square root of 47294891 is about 6877.1281069935. The cubic root of 47294891 is about 361.6357940712.

The spelling of 47294891 in words is "forty-seven million, two hundred ninety-four thousand, eight hundred ninety-one".