5861538 has 64 divisors (see below), whose sum is σ = 14256000. Its totient is φ = 1778112.

The previous prime is 5861507. The next prime is 5861539. The reversal of 5861538 is 8351685.

5861538 is a `hidden beast` number, since 5 + 8 + 615 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5861539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29656 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (222750).

Almost surely, 2^5861538 is an apocalyptic number.

5861538 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5861538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7128000).

5861538 is an abundant number, since it is smaller than the sum of its proper divisors (8394462).

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

5861538 is a wasteful number, since it uses less digits than its factorization.

5861538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5861538 is about 2421.0613375130. The cubic root of 5861538 is about 180.3033772807.

It can be divided in two parts, 58615 and 38, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 5861538 in words is "five million, eight hundred sixty-one thousand, five hundred thirty-eight".