495994 has 4 divisors (see below), whose sum is σ = 743994. Its totient is φ = 247996.

The previous prime is 495983. The next prime is 496007. The reversal of 495994 is 499594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499594 = 2 ⋅249797.

It can be written as a sum of positive squares in only one way, i.e., 471969 + 24025 = 687^2 + 155^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 123997 + ... + 124000.

2⁴⁹⁵⁹⁹⁴ is an apocalyptic number.

495994 is a deficient number, since it is larger than the sum of its proper divisors (248000).

495994 is a wasteful number, since it uses less digits than its factorization.

495994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247999.

The product of its digits is 58320, while the sum is 40.

The square root of 495994 is about 704.2684147397. The cubic root of 495994 is about 79.1575130075.

Subtracting 495994 from its reverse (499594), we obtain a square (3600 = 60²).

The spelling of 495994 in words is "four hundred ninety-five thousand, nine hundred ninety-four".