3489047280 has 60 divisors (see below), whose sum is σ = 11717386200. Its totient is φ = 930412416.

The previous prime is 3489047279. The next prime is 3489047291. The reversal of 3489047280 is 827409843.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2422230 + ... + 2423669.

It is an arithmetic number, because the mean of its divisors is an integer number (195289770).

Almost surely, 2^3489047280 is an apocalyptic number.

3489047280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3489047280 is an abundant number, since it is smaller than the sum of its proper divisors (8228338920).

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

3489047280 is a wasteful number, since it uses less digits than its factorization.

3489047280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845918 (or 4845909 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3489047280 is about 59068.1579194747. The cubic root of 3489047280 is about 1516.7090734564.

The spelling of 3489047280 in words is "three billion, four hundred eighty-nine million, forty-seven thousand, two hundred eighty".