497029891 has 8 divisors (see below), whose sum is σ = 512297568. Its totient is φ = 481992000.

The previous prime is 497029889. The next prime is 497029943. The reversal of 497029891 is 198920794.

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

It is a cyclic number.

It is not a de Polignac number, because 497029891 - 2¹ = 497029889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497029861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53050 + ... + 61711.

It is an arithmetic number, because the mean of its divisors is an integer number (64037196).

Almost surely, 2^497029891 is an apocalyptic number.

497029891 is a deficient number, since it is larger than the sum of its proper divisors (15267677).

497029891 is a wasteful number, since it uses less digits than its factorization.

497029891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114893.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 497029891 is about 22294.1671968253. The cubic root of 497029891 is about 792.1258191048.

The spelling of 497029891 in words is "four hundred ninety-seven million, twenty-nine thousand, eight hundred ninety-one".