956181 has 8 divisors (see below), whose sum is σ = 1284640. Its totient is φ = 632592.

The previous prime is 956177. The next prime is 956231. The reversal of 956181 is 181659.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 956181 - 2² = 956177 is a prime.

It is a super-2 number, since 2×956181² = 1828564209522, which contains 22 as substring.

It is a Duffinian number.

956181 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 956181.

It is not an unprimeable number, because it can be changed into a prime (956281) 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 7 ways as a sum of consecutive naturals, for example, 730 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (160580).

2⁹⁵⁶¹⁸¹ is an apocalyptic number.

It is an amenable number.

956181 is a deficient number, since it is larger than the sum of its proper divisors (328459).

956181 is a wasteful number, since it uses less digits than its factorization.

956181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its digits is 2160, while the sum is 30.

The square root of 956181 is about 977.8450797545. The cubic root of 956181 is about 98.5174971279.

The spelling of 956181 in words is "nine hundred fifty-six thousand, one hundred eighty-one".