3261587443 has 8 divisors (see below), whose sum is σ = 3476710400. Its totient is φ = 3050810568.

The previous prime is 3261587393. The next prime is 3261587507. The reversal of 3261587443 is 3447851623.

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 3261587443 - 2¹⁷ = 3261456371 is a prime.

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 3261587443.

It is not an unprimeable number, because it can be changed into a prime (3261587543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084971 + ... + 1087972.

It is an arithmetic number, because the mean of its divisors is an integer number (434588800).

Almost surely, 2^3261587443 is an apocalyptic number.

3261587443 is a deficient number, since it is larger than the sum of its proper divisors (215122957).

3261587443 is a wasteful number, since it uses less digits than its factorization.

3261587443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173041.

The product of its digits is 483840, while the sum is 43.

The square root of 3261587443 is about 57110.3094283335. The cubic root of 3261587443 is about 1483.0063438413.

The spelling of 3261587443 in words is "three billion, two hundred sixty-one million, five hundred eighty-seven thousand, four hundred forty-three".