6091840 has 28 divisors (see below), whose sum is σ = 14506956. Its totient is φ = 2436608.

The previous prime is 6091829. The next prime is 6091843. The reversal of 6091840 is 481906.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 5345344 = 864^2 + 2312^2 .

It is a super-2 number, since 2×6091840² = 74221029171200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6091799 and 6091808.

It is not an unprimeable number, because it can be changed into a prime (6091843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9199 + ... + 9838.

Almost surely, 2^6091840 is an apocalyptic number.

It is an amenable number.

6091840 is an abundant number, since it is smaller than the sum of its proper divisors (8415116).

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

6091840 is a wasteful number, since it uses less digits than its factorization.

6091840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19054 (or 19044 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6091840 is about 2468.1653105090. The cubic root of 6091840 is about 182.6345039602.

The spelling of 6091840 in words is "six million, ninety-one thousand, eight hundred forty".