949780 has 36 divisors (see below), whose sum is σ = 2167452. Its totient is φ = 349440.

The previous prime is 949777. The next prime is 949789. The reversal of 949780 is 87949.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 125316 + 824464 = 354^2 + 908^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949789) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3240 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (60207).

2⁹⁴⁹⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 949780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083726).

949780 is an abundant number, since it is smaller than the sum of its proper divisors (1217672).

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

949780 is a wasteful number, since it uses less digits than its factorization.

949780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 949780 is about 974.5665703275. The cubic root of 949780 is about 98.2971682259.

The spelling of 949780 in words is "nine hundred forty-nine thousand, seven hundred eighty".