6099940 has 96 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 1781760.

The previous prime is 6099917. The next prime is 6099941. The reversal of 6099940 is 499906.

It is a self number, because there is not a number n which added to its sum of digits gives 6099940.

It is not an unprimeable number, because it can be changed into a prime (6099941) 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, 26064 + ... + 26296.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

Almost surely, 2^6099940 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 6099940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8491392).

6099940 is an abundant number, since it is smaller than the sum of its proper divisors (10882844).

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

6099940 is a wasteful number, since it uses less digits than its factorization.

6099940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 6099940 is about 2469.8056603709. The cubic root of 6099940 is about 182.7154146155.

It can be divided in two parts, 609 and 9940, that multiplied together give a triangular number (6053460 = T₃₄₇₉).

The spelling of 6099940 in words is "six million, ninety-nine thousand, nine hundred forty".