190927937 has 2 divisors, whose sum is σ = 190927938. Its totient is φ = 190927936.

The previous prime is 190927921. The next prime is 190927951. The reversal of 190927937 is 739729091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141871921 + 49056016 = 11911^2 + 7004^2 .

It is an emirp because it is prime and its reverse (739729091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190927937 - 2⁴ = 190927921 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 190927891 and 190927900.

It is not a weakly prime, because it can be changed into another prime (190927237) 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 as a sum of consecutive naturals, namely, 95463968 + 95463969.

It is an arithmetic number, because the mean of its divisors is an integer number (95463969).

Almost surely, 2^190927937 is an apocalyptic number.

It is an amenable number.

190927937 is a deficient number, since it is larger than the sum of its proper divisors (1).

190927937 is an equidigital number, since it uses as much as digits as its factorization.

190927937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 190927937 is about 13817.6675672850. The cubic root of 190927937 is about 575.8240856592.

The spelling of 190927937 in words is "one hundred ninety million, nine hundred twenty-seven thousand, nine hundred thirty-seven".