6191920 has 40 divisors (see below), whose sum is σ = 16454304. Its totient is φ = 2122752.

The previous prime is 6191903. The next prime is 6191947. The reversal of 6191920 is 291916.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 4969 + ... + 6088.

Almost surely, 2^6191920 is an apocalyptic number.

It is an amenable number.

6191920 is an abundant number, since it is smaller than the sum of its proper divisors (10262384).

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

6191920 is a wasteful number, since it uses less digits than its factorization.

6191920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11077 (or 11071 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 6191920 is about 2488.3568875867. The cubic root of 6191920 is about 183.6292155146.

The spelling of 6191920 in words is "six million, one hundred ninety-one thousand, nine hundred twenty".