3849401556 has 540 divisors, whose sum is σ = 13853369376. Its totient is φ = 911813760.

The previous prime is 3849401537. The next prime is 3849401561. The reversal of 3849401556 is 6551049483.

3849401556 is a `hidden beast` number, since 3 + 8 + 4 + 94 + 0 + 1 + 556 = 666.

3849401556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3849401556² = 29635784678670442272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 46378291 + ... + 46378373.

Almost surely, 2^3849401556 is an apocalyptic number.

3849401556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3849401556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6926684688).

3849401556 is an abundant number, since it is smaller than the sum of its proper divisors (10003967820).

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

3849401556 is a wasteful number, since it uses less digits than its factorization.

3849401556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 3849401556 is about 62043.5456433625. The cubic root of 3849401556 is about 1567.2239957255.

The spelling of 3849401556 in words is "three billion, eight hundred forty-nine million, four hundred one thousand, five hundred fifty-six".