1679590197 has 6 divisors (see below), whose sum is σ = 2426074742. Its totient is φ = 1119726792.

The previous prime is 1679590183. The next prime is 1679590201. The reversal of 1679590197 is 7910959761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1493513316 + 186076881 = 38646^2 + 13641^2 .

It is not a de Polignac number, because 1679590197 - 2⁴ = 1679590181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679590117) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 93310558 + ... + 93310575.

Almost surely, 2^1679590197 is an apocalyptic number.

It is an amenable number.

1679590197 is a deficient number, since it is larger than the sum of its proper divisors (746484545).

1679590197 is a wasteful number, since it uses less digits than its factorization.

1679590197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186621139 (or 186621136 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 54.

The square root of 1679590197 is about 40982.8036742241. The cubic root of 1679590197 is about 1188.6877224918.

The spelling of 1679590197 in words is "one billion, six hundred seventy-nine million, five hundred ninety thousand, one hundred ninety-seven".