3205876380 has 48 divisors (see below), whose sum is σ = 10258805760. Its totient is φ = 732771648.

The previous prime is 3205876379. The next prime is 3205876391. The reversal of 3205876380 is 836785023.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3816100 + ... + 3816939.

It is an arithmetic number, because the mean of its divisors is an integer number (213725120).

Almost surely, 2^3205876380 is an apocalyptic number.

3205876380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3205876380 is an abundant number, since it is smaller than the sum of its proper divisors (7052929380).

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

3205876380 is a wasteful number, since it uses less digits than its factorization.

3205876380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633058 (or 7633056 counting only the distinct ones).

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

The square root of 3205876380 is about 56620.4590232188. The cubic root of 3205876380 is about 1474.5140799067.

The spelling of 3205876380 in words is "three billion, two hundred five million, eight hundred seventy-six thousand, three hundred eighty".