494669 has 4 divisors (see below), whose sum is σ = 565344. Its totient is φ = 423996.

The previous prime is 494651. The next prime is 494671. The reversal of 494669 is 966494.

494669 = T₁₃₂ + T₁₃₃ + ... + T₁₇₃.

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, and also an emirpimes, since its reverse is a distinct semiprime: 966494 = 2 ⋅483247.

It is a cyclic number.

It is not a de Polignac number, because 494669 - 2⁸ = 494413 is a prime.

It is a super-2 number, since 2×494669² = 489394839122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494609) 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, 35327 + ... + 35340.

It is an arithmetic number, because the mean of its divisors is an integer number (141336).

2⁴⁹⁴⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

494669 is a deficient number, since it is larger than the sum of its proper divisors (70675).

494669 is an equidigital number, since it uses as much as digits as its factorization.

494669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70674.

The product of its digits is 46656, while the sum is 38.

The square root of 494669 is about 703.3270931793. The cubic root of 494669 is about 79.0869629342.

The spelling of 494669 in words is "four hundred ninety-four thousand, six hundred sixty-nine".