949581 has 6 divisors (see below), whose sum is σ = 1371630. Its totient is φ = 633048.

The previous prime is 949567. The next prime is 949583. The reversal of 949581 is 185949.

It can be written as a sum of positive squares in only one way, i.e., 864900 + 84681 = 930^2 + 291^2 .

It is not a de Polignac number, because 949581 - 2⁶ = 949517 is a prime.

It is a super-2 number, since 2×949581² = 1803408151122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949583) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 52746 + ... + 52763.

It is an arithmetic number, because the mean of its divisors is an integer number (228605).

2⁹⁴⁹⁵⁸¹ is an apocalyptic number.

It is an amenable number.

949581 is a deficient number, since it is larger than the sum of its proper divisors (422049).

949581 is a wasteful number, since it uses less digits than its factorization.

949581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105515 (or 105512 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 949581 is about 974.4644683107. The cubic root of 949581 is about 98.2903025999.

The spelling of 949581 in words is "nine hundred forty-nine thousand, five hundred eighty-one".