966384261 has 48 divisors (see below), whose sum is σ = 1558103040. Its totient is φ = 574041600.

The previous prime is 966384259. The next prime is 966384277. The reversal of 966384261 is 162483669.

966384261 is a `hidden beast` number, since 9 + 6 + 6 + 384 + 261 = 666.

It is not a de Polignac number, because 966384261 - 2¹ = 966384259 is a prime.

It is a super-2 number, since 2×966384261² = 1867797079817032242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966384281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354060 + ... + 356778.

It is an arithmetic number, because the mean of its divisors is an integer number (32460480).

Almost surely, 2^966384261 is an apocalyptic number.

It is an amenable number.

966384261 is a deficient number, since it is larger than the sum of its proper divisors (591718779).

966384261 is a wasteful number, since it uses less digits than its factorization.

966384261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2863 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 966384261 is about 31086.7216187233. The cubic root of 966384261 is about 988.6667974033. Note that the first 3 decimals are identical.

The spelling of 966384261 in words is "nine hundred sixty-six million, three hundred eighty-four thousand, two hundred sixty-one".