3461857220 has 24 divisors (see below), whose sum is σ = 7697542104. Its totient is φ = 1303287296.

The previous prime is 3461857207. The next prime is 3461857229. The reversal of 3461857220 is 227581643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1825169284 + 1636687936 = 42722^2 + 40456^2 .

It is a super-3 number, since 3×3461857220³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3461857229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5090627 + ... + 5091306.

It is an arithmetic number, because the mean of its divisors is an integer number (320730921).

Almost surely, 2^3461857220 is an apocalyptic number.

It is an amenable number.

3461857220 is an abundant number, since it is smaller than the sum of its proper divisors (4235684884).

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

3461857220 is a wasteful number, since it uses less digits than its factorization.

3461857220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181959 (or 10181957 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3461857220 is about 58837.5494051205. The cubic root of 3461857220 is about 1512.7589021999.

The spelling of 3461857220 in words is "three billion, four hundred sixty-one million, eight hundred fifty-seven thousand, two hundred twenty".