291042498 has 8 divisors (see below), whose sum is σ = 582085008. Its totient is φ = 97014164.

The previous prime is 291042497. The next prime is 291042503. The reversal of 291042498 is 894240192.

It is a sphenic number, since it is the product of 3 distinct primes.

291042498 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (291042497) 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 3 ways as a sum of consecutive naturals, for example, 24253536 + ... + 24253547.

It is an arithmetic number, because the mean of its divisors is an integer number (72760626).

Almost surely, 2^291042498 is an apocalyptic number.

291042498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

291042498 is a wasteful number, since it uses less digits than its factorization.

291042498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48507088.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 291042498 is about 17059.9677021969. The cubic root of 291042498 is about 662.7027962525.

The spelling of 291042498 in words is "two hundred ninety-one million, forty-two thousand, four hundred ninety-eight".