3428236872 has 40 divisors (see below), whose sum is σ = 9602239350. Its totient is φ = 1142745408.

The previous prime is 3428236843. The next prime is 3428236873. The reversal of 3428236872 is 2786328243.

3428236872 is a `hidden beast` number, since 3 + 4 + 282 + 368 + 7 + 2 = 666.

3428236872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2128345956 + 1299890916 = 46134^2 + 36054^2 .

It is not an unprimeable number, because it can be changed into a prime (3428236873) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2644597 + ... + 2645892.

Almost surely, 2^3428236872 is an apocalyptic number.

It is an amenable number.

3428236872 is an abundant number, since it is smaller than the sum of its proper divisors (6174002478).

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

3428236872 is a wasteful number, since it uses less digits than its factorization.

3428236872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290507 (or 5290494 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 3428236872 is about 58551.1474866206. The cubic root of 3428236872 is about 1507.8458343714.

The spelling of 3428236872 in words is "three billion, four hundred twenty-eight million, two hundred thirty-six thousand, eight hundred seventy-two".