949640 has 16 divisors (see below), whose sum is σ = 2136780. Its totient is φ = 379840.

The previous prime is 949633. The next prime is 949643. The reversal of 949640 is 46949.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 872356 + 77284 = 934^2 + 278^2 .

It is a super-2 number, since 2×949640² = 1803632259200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 949597 and 949606.

It is not an unprimeable number, because it can be changed into a prime (949643) 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 3 ways as a sum of consecutive naturals, for example, 11831 + ... + 11910.

2⁹⁴⁹⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

949640 is an abundant number, since it is smaller than the sum of its proper divisors (1187140).

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

949640 is a wasteful number, since it uses less digits than its factorization.

949640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23752 (or 23748 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 949640 is about 974.4947408786. The cubic root of 949640 is about 98.2923382373.

The spelling of 949640 in words is "nine hundred forty-nine thousand, six hundred forty".