3861838554 has 32 divisors (see below), whose sum is σ = 8947985280. Its totient is φ = 1088266752.

The previous prime is 3861838549. The next prime is 3861838567. The reversal of 3861838554 is 4558381683.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3861838497 and 3861838506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626719 + ... + 632850.

It is an arithmetic number, because the mean of its divisors is an integer number (279624540).

Almost surely, 2^3861838554 is an apocalyptic number.

3861838554 is an abundant number, since it is smaller than the sum of its proper divisors (5086146726).

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

3861838554 is a wasteful number, since it uses less digits than its factorization.

3861838554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259654.

The product of its digits is 2764800, while the sum is 51.

The square root of 3861838554 is about 62143.6927933962. The cubic root of 3861838554 is about 1568.9100246930.

The spelling of 3861838554 in words is "three billion, eight hundred sixty-one million, eight hundred thirty-eight thousand, five hundred fifty-four".