5811948 has 72 divisors (see below), whose sum is σ = 16052400. Its totient is φ = 1766016.

The previous prime is 5811937. The next prime is 5811959. The reversal of 5811948 is 8491185.

It is an interprime number because it is at equal distance from previous prime (5811937) and next prime (5811959).

It is a super-3 number, since 3×5811948³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19690 + ... + 19982.

It is an arithmetic number, because the mean of its divisors is an integer number (222950).

Almost surely, 2^5811948 is an apocalyptic number.

5811948 is a gapful number since it is divisible by the number (58) 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 5811948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8026200).

5811948 is an abundant number, since it is smaller than the sum of its proper divisors (10240452).

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

5811948 is a wasteful number, since it uses less digits than its factorization.

5811948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 346 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 5811948 is about 2410.7982080630. The cubic root of 5811948 is about 179.7934668168.

The spelling of 5811948 in words is "five million, eight hundred eleven thousand, nine hundred forty-eight".