946181 has 6 divisors (see below), whose sum is σ = 998982. Its totient is φ = 896040.

The previous prime is 946177. The next prime is 946193. The reversal of 946181 is 181649.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 43681 = 950^2 + 209^2 .

It is not a de Polignac number, because 946181 - 2² = 946177 is a prime.

It is a super-2 number, since 2×946181² = 1790516969522, which contains 22 as substring.

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 946181.

It is not an unprimeable number, because it can be changed into a prime (946111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 950 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (166497).

2⁹⁴⁶¹⁸¹ is an apocalyptic number.

It is an amenable number.

946181 is a deficient number, since it is larger than the sum of its proper divisors (52801).

946181 is a wasteful number, since it uses less digits than its factorization.

946181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659 (or 2640 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 946181 is about 972.7183559489. The cubic root of 946181 is about 98.1728519631.

The spelling of 946181 in words is "nine hundred forty-six thousand, one hundred eighty-one".