497749 has 8 divisors (see below), whose sum is σ = 573248. Its totient is φ = 423360.

The previous prime is 497741. The next prime is 497771. The reversal of 497749 is 947794.

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

It is not a de Polignac number, because 497749 - 2³ = 497741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309 + ... + 1645.

It is an arithmetic number, because the mean of its divisors is an integer number (71656).

2⁴⁹⁷⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

497749 is a deficient number, since it is larger than the sum of its proper divisors (75499).

497749 is a wasteful number, since it uses less digits than its factorization.

497749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 63504, while the sum is 40.

The square root of 497749 is about 705.5132883228. The cubic root of 497749 is about 79.2507654164.

The spelling of 497749 in words is "four hundred ninety-seven thousand, seven hundred forty-nine".