185412961 has 8 divisors (see below), whose sum is σ = 186810624. Its totient is φ = 184019760.

The previous prime is 185412949. The next prime is 185413003. The reversal of 185412961 is 169214581.

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

It is a cyclic number.

It is not a de Polignac number, because 185412961 - 2⁷ = 185412833 is a prime.

It is a super-2 number, since 2×185412961² = 68755932213575042, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 185412961.

It is not an unprimeable number, because it can be changed into a prime (185412901) 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 7 ways as a sum of consecutive naturals, for example, 155610 + ... + 156796.

It is an arithmetic number, because the mean of its divisors is an integer number (23351328).

Almost surely, 2^185412961 is an apocalyptic number.

It is an amenable number.

185412961 is a deficient number, since it is larger than the sum of its proper divisors (1397663).

185412961 is a wasteful number, since it uses less digits than its factorization.

185412961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 17280, while the sum is 37.

The square root of 185412961 is about 13616.6427947567. The cubic root of 185412961 is about 570.2255811757.

The spelling of 185412961 in words is "one hundred eighty-five million, four hundred twelve thousand, nine hundred sixty-one".