3489477920 has 96 divisors (see below), whose sum is σ = 8422481088. Its totient is φ = 1365838848.

The previous prime is 3489477869. The next prime is 3489477923. The reversal of 3489477920 is 297749843.

It is not an unprimeable number, because it can be changed into a prime (3489477923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746362 + ... + 1748358.

It is an arithmetic number, because the mean of its divisors is an integer number (87734178).

Almost surely, 2^3489477920 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 3489477920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4211240544).

3489477920 is an abundant number, since it is smaller than the sum of its proper divisors (4933003168).

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

3489477920 is a wasteful number, since it uses less digits than its factorization.

3489477920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 3489477920 is about 59071.8030874291. The cubic root of 3489477920 is about 1516.7714714572.

The spelling of 3489477920 in words is "three billion, four hundred eighty-nine million, four hundred seventy-seven thousand, nine hundred twenty".