499697 has 4 divisors (see below), whose sum is σ = 545136. Its totient is φ = 454260.

The previous prime is 499693. The next prime is 499711. The reversal of 499697 is 796994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499697 - 2² = 499693 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499697.

It is not an unprimeable number, because it can be changed into a prime (499691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22703 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (136284).

2⁴⁹⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

499697 is a deficient number, since it is larger than the sum of its proper divisors (45439).

499697 is a wasteful number, since it uses less digits than its factorization.

499697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45438.

The product of its digits is 122472, while the sum is 44.

The square root of 499697 is about 706.8924953626. The cubic root of 499697 is about 79.3540166081.

The spelling of 499697 in words is "four hundred ninety-nine thousand, six hundred ninety-seven".