291479848 has 32 divisors (see below), whose sum is σ = 597229920. Its totient is φ = 132264000.

The previous prime is 291479819. The next prime is 291479849. The reversal of 291479848 is 848974192.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 291479795 and 291479804.

It is not an unprimeable number, because it can be changed into a prime (291479849) 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, 55663 + ... + 60673.

It is an arithmetic number, because the mean of its divisors is an integer number (18663435).

Almost surely, 2^291479848 is an apocalyptic number.

It is an amenable number.

291479848 is an abundant number, since it is smaller than the sum of its proper divisors (305750072).

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

291479848 is a wasteful number, since it uses less digits than its factorization.

291479848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5685 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The square root of 291479848 is about 17072.7809099748. The cubic root of 291479848 is about 663.0345782814.

The spelling of 291479848 in words is "two hundred ninety-one million, four hundred seventy-nine thousand, eight hundred forty-eight".