949805 has 4 divisors (see below), whose sum is σ = 1139772. Its totient is φ = 759840.

The previous prime is 949789. The next prime is 949811. The reversal of 949805 is 508949.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508949 = 7 ⋅72707.

It can be written as a sum of positive squares in 2 ways, for example, as 515524 + 434281 = 718^2 + 659^2 .

It is not a de Polignac number, because 949805 - 2⁴ = 949789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94976 + ... + 94985.

It is an arithmetic number, because the mean of its divisors is an integer number (284943).

2⁹⁴⁹⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

949805 is a deficient number, since it is larger than the sum of its proper divisors (189967).

949805 is a wasteful number, since it uses less digits than its factorization.

949805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189966.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 949805 is about 974.5793964578. The cubic root of 949805 is about 98.2980306739.

The spelling of 949805 in words is "nine hundred forty-nine thousand, eight hundred five".