909497 has 8 divisors (see below), whose sum is σ = 955776. Its totient is φ = 864432.

The previous prime is 909481. The next prime is 909521. The reversal of 909497 is 794909.

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 909497 - 2⁴ = 909481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 909497.

It is not an unprimeable number, because it can be changed into a prime (909437) 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, 1478 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (119472).

2⁹⁰⁹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

909497 is a deficient number, since it is larger than the sum of its proper divisors (46279).

909497 is a wasteful number, since it uses less digits than its factorization.

909497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 909497 is about 953.6755213384. The cubic root of 909497 is about 96.8873528473.

The spelling of 909497 in words is "nine hundred nine thousand, four hundred ninety-seven".