3215786460 has 24 divisors (see below), whose sum is σ = 9004202256. Its totient is φ = 857543040.

The previous prime is 3215786459. The next prime is 3215786467. The reversal of 3215786460 is 646875123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215786467) 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, 26798161 + ... + 26798280.

It is an arithmetic number, because the mean of its divisors is an integer number (375175094).

Almost surely, 2^3215786460 is an apocalyptic number.

3215786460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3215786460 is an abundant number, since it is smaller than the sum of its proper divisors (5788415796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215786460 is a wasteful number, since it uses less digits than its factorization.

3215786460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53596453 (or 53596451 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3215786460 is about 56707.9047399919. The cubic root of 3215786460 is about 1476.0318678352.

The spelling of 3215786460 in words is "three billion, two hundred fifteen million, seven hundred eighty-six thousand, four hundred sixty".