6541992 has 64 divisors (see below), whose sum is σ = 18777600. Its totient is φ = 2108160.

The previous prime is 6541981. The next prime is 6541993. The reversal of 6541992 is 2991456.

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

It is not an unprimeable number, because it can be changed into a prime (6541993) 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, 6208 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (293400).

Almost surely, 2^6541992 is an apocalyptic number.

6541992 is a gapful number since it is divisible by the number (62) 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 6541992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9388800).

6541992 is an abundant number, since it is smaller than the sum of its proper divisors (12235608).

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

6541992 is a wasteful number, since it uses less digits than its factorization.

6541992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1013 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 6541992 is about 2557.7318076765. The cubic root of 6541992 is about 187.0265816732.

The spelling of 6541992 in words is "six million, five hundred forty-one thousand, nine hundred ninety-two".