6191972 has 6 divisors (see below), whose sum is σ = 10835958. Its totient is φ = 3095984.

The previous prime is 6191959. The next prime is 6192023. The reversal of 6191972 is 2791916.

6191972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 1201216 = 2234^2 + 1096^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 773993 + ... + 774000.

It is an arithmetic number, because the mean of its divisors is an integer number (1805993).

Almost surely, 2^6191972 is an apocalyptic number.

It is an amenable number.

6191972 is a deficient number, since it is larger than the sum of its proper divisors (4643986).

6191972 is a wasteful number, since it uses less digits than its factorization.

6191972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547997 (or 1547995 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 6191972 is about 2488.3673362267. The cubic root of 6191972 is about 183.6297295551.

The spelling of 6191972 in words is "six million, one hundred ninety-one thousand, nine hundred seventy-two".