291042496 has 14 divisors (see below), whose sum is σ = 577537580. Its totient is φ = 145521216.

The previous prime is 291042487. The next prime is 291042497. The reversal of 291042496 is 694240192.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (291042497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273706 + ... + 2273833.

Almost surely, 2^291042496 is an apocalyptic number.

It is an amenable number.

291042496 is a deficient number, since it is larger than the sum of its proper divisors (286495084).

291042496 is an equidigital number, since it uses as much as digits as its factorization.

291042496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547551 (or 4547541 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 291042496 is about 17059.9676435801. The cubic root of 291042496 is about 662.7027947345.

The spelling of 291042496 in words is "two hundred ninety-one million, forty-two thousand, four hundred ninety-six".