5981388 has 48 divisors (see below), whose sum is σ = 16472064. Its totient is φ = 1653120.

The previous prime is 5981387. The next prime is 5981411. The reversal of 5981388 is 8831895.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5981387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (343168).

Almost surely, 2^5981388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5981388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8236032).

5981388 is an abundant number, since it is smaller than the sum of its proper divisors (10490676).

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

5981388 is a wasteful number, since it uses less digits than its factorization.

5981388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2340 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 5981388 is about 2445.6876333661. The cubic root of 5981388 is about 181.5239743999.

The spelling of 5981388 in words is "five million, nine hundred eighty-one thousand, three hundred eighty-eight".