949999 has 4 divisors (see below), whose sum is σ = 972136. Its totient is φ = 927864.

The previous prime is 949997. The next prime is 950009. The reversal of 949999 is 999949.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 949999 - 2¹ = 949997 is a prime.

It is a Duffinian number.

949999 is a modest number, since divided by 999 gives 949 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949997) 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, 11004 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (243034).

2⁹⁴⁹⁹⁹⁹ is an apocalyptic number.

949999 is a deficient number, since it is larger than the sum of its proper divisors (22137).

949999 is a wasteful number, since it uses less digits than its factorization.

949999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136.

The product of its digits is 236196, while the sum is 49.

The square root of 949999 is about 974.6789214916. The cubic root of 949999 is about 98.3047227562.

The spelling of 949999 in words is "nine hundred forty-nine thousand, nine hundred ninety-nine".