3584981961 has 12 divisors (see below), whose sum is σ = 5649062640. Its totient is φ = 2172716280.

The previous prime is 3584981951. The next prime is 3584981989. The reversal of 3584981961 is 1691894853.

It is not a de Polignac number, because 3584981961 - 2¹⁰ = 3584980937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3584981898 and 3584981907.

It is not an unprimeable number, because it can be changed into a prime (3584981941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18105871 + ... + 18106068.

It is an arithmetic number, because the mean of its divisors is an integer number (470755220).

Almost surely, 2^3584981961 is an apocalyptic number.

It is an amenable number.

3584981961 is a deficient number, since it is larger than the sum of its proper divisors (2064080679).

3584981961 is a wasteful number, since it uses less digits than its factorization.

3584981961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36211956 (or 36211953 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 3584981961 is about 59874.7188803421. The cubic root of 3584981961 is about 1530.4846971324.

The spelling of 3584981961 in words is "three billion, five hundred eighty-four million, nine hundred eighty-one thousand, nine hundred sixty-one".