3258389961 has 24 divisors (see below), whose sum is σ = 4747142400. Its totient is φ = 2153588256.

The previous prime is 3258389929. The next prime is 3258389963. The reversal of 3258389961 is 1699838523.

3258389961 is a `hidden beast` number, since 3 + 258 + 389 + 9 + 6 + 1 = 666.

It is not a de Polignac number, because 3258389961 - 2⁵ = 3258389929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3258389898 and 3258389907.

It is not an unprimeable number, because it can be changed into a prime (3258389963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811986 + ... + 815988.

It is an arithmetic number, because the mean of its divisors is an integer number (197797600).

Almost surely, 2^3258389961 is an apocalyptic number.

It is an amenable number.

3258389961 is a deficient number, since it is larger than the sum of its proper divisors (1488752439).

3258389961 is a wasteful number, since it uses less digits than its factorization.

3258389961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765 (or 4762 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 3258389961 is about 57082.3086516304. The cubic root of 3258389961 is about 1482.5215659451.

The spelling of 3258389961 in words is "three billion, two hundred fifty-eight million, three hundred eighty-nine thousand, nine hundred sixty-one".