5891940 has 60 divisors (see below), whose sum is σ = 18488316. Its totient is φ = 1570752.

The previous prime is 5891939. The next prime is 5891971. The reversal of 5891940 is 491985.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 4981824 = 954^2 + 2232^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 5891895 and 5891904.

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 19 ways as a sum of consecutive naturals, for example, 199 + ... + 3438.

Almost surely, 2^5891940 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 5891940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9244158).

5891940 is an abundant number, since it is smaller than the sum of its proper divisors (12596376).

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

5891940 is a wasteful number, since it uses less digits than its factorization.

5891940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5891940 is about 2427.3318685338. The cubic root of 5891940 is about 180.6145659933.

Adding to 5891940 its product of nonzero digits (12960), we get a square (5904900 = 2430²).

The spelling of 5891940 in words is "five million, eight hundred ninety-one thousand, nine hundred forty".