949905 has 48 divisors (see below), whose sum is σ = 1909440. Its totient is φ = 432000.

The previous prime is 949903. The next prime is 949931. The reversal of 949905 is 509949.

It is not a de Polignac number, because 949905 - 2¹ = 949903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 949905.

It is not an unprimeable number, because it can be changed into a prime (949903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9355 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2⁹⁴⁹⁹⁰⁵ is an apocalyptic number.

949905 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

949905 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

949905 is a wasteful number, since it uses less digits than its factorization.

949905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 949905 is about 974.6306992908. The cubic root of 949905 is about 98.3014803147.

It can be divided in two parts, 94 and 9905, that added together give a palindrome (9999).

The spelling of 949905 in words is "nine hundred forty-nine thousand, nine hundred five".