3489155838 has 112 divisors (see below), whose sum is σ = 9152344800. Its totient is φ = 996758784.

The previous prime is 3489155783. The next prime is 3489155861. The reversal of 3489155838 is 8385519843.

3489155838 is a `hidden beast` number, since 3 + 4 + 89 + 1 + 558 + 3 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 496606 + ... + 503582.

Almost surely, 2^3489155838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3489155838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4576172400).

3489155838 is an abundant number, since it is smaller than the sum of its proper divisors (5663188962).

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

3489155838 is an frugal number, since it uses more digits than its factorization.

3489155838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7018 (or 6989 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 3489155838 is about 59069.0768338223. The cubic root of 3489155838 is about 1516.7248035571.

The spelling of 3489155838 in words is "three billion, four hundred eighty-nine million, one hundred fifty-five thousand, eight hundred thirty-eight".