497890249 has 8 divisors (see below), whose sum is σ = 509826240. Its totient is φ = 485970576.

The previous prime is 497890243. The next prime is 497890273. The reversal of 497890249 is 942098794.

It is a happy number.

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 497890249 - 2⁷ = 497890121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 497890196 and 497890205.

It is not an unprimeable number, because it can be changed into a prime (497890243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76287 + ... + 82555.

It is an arithmetic number, because the mean of its divisors is an integer number (63728280).

Almost surely, 2^497890249 is an apocalyptic number.

It is an amenable number.

497890249 is a deficient number, since it is larger than the sum of its proper divisors (11935991).

497890249 is a wasteful number, since it uses less digits than its factorization.

497890249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 497890249 is about 22313.4544389702. The cubic root of 497890249 is about 792.5826118407.

The spelling of 497890249 in words is "four hundred ninety-seven million, eight hundred ninety thousand, two hundred forty-nine".