3491545830 has 64 divisors (see below), whose sum is σ = 8852544000. Its totient is φ = 878895360.

The previous prime is 3491545817. The next prime is 3491545931. The reversal of 3491545830 is 385451943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149271 + ... + 171069.

It is an arithmetic number, because the mean of its divisors is an integer number (138321000).

Almost surely, 2^3491545830 is an apocalyptic number.

3491545830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3491545830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4426272000).

3491545830 is an abundant number, since it is smaller than the sum of its proper divisors (5360998170).

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

3491545830 is a wasteful number, since it uses less digits than its factorization.

3491545830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22109.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 3491545830 is about 59089.3038544202. The cubic root of 3491545830 is about 1517.0710317910.

The spelling of 3491545830 in words is "three billion, four hundred ninety-one million, five hundred forty-five thousand, eight hundred thirty".