3207880 has 64 divisors (see below), whose sum is σ = 8064000. Its totient is φ = 1140480.

The previous prime is 3207857. The next prime is 3207899. The reversal of 3207880 is 887023.

3207880 = T₆₉₆ + T₆₉₇ + ... + T₇₀₈.

It is a happy number.

It is an Ulam 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, 16021 + ... + 16219.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

Almost surely, 2^3207880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3207880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4032000).

3207880 is an abundant number, since it is smaller than the sum of its proper divisors (4856120).

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

3207880 is a wasteful number, since it uses less digits than its factorization.

3207880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 3207880 is about 1791.0555546939. The cubic root of 3207880 is about 147.4821198282.

The spelling of 3207880 in words is "three million, two hundred seven thousand, eight hundred eighty".