3287367921 has 8 divisors (see below), whose sum is σ = 4395575520. Its totient is φ = 2185369472.

The previous prime is 3287367917. The next prime is 3287368003. The reversal of 3287367921 is 1297637823.

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 3287367921 - 2² = 3287367917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3287362921) 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, 1551051 + ... + 1553168.

It is an arithmetic number, because the mean of its divisors is an integer number (549446940).

Almost surely, 2^3287367921 is an apocalyptic number.

It is an amenable number.

3287367921 is a deficient number, since it is larger than the sum of its proper divisors (1108207599).

3287367921 is a wasteful number, since it uses less digits than its factorization.

3287367921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104575.

The product of its digits is 762048, while the sum is 48.

The square root of 3287367921 is about 57335.5729107157. The cubic root of 3287367921 is about 1486.9034562595.

The spelling of 3287367921 in words is "three billion, two hundred eighty-seven million, three hundred sixty-seven thousand, nine hundred twenty-one".