196890037 has 2 divisors, whose sum is σ = 196890038. Its totient is φ = 196890036.

The previous prime is 196890017. The next prime is 196890047. The reversal of 196890037 is 730098691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116769636 + 80120401 = 10806^2 + 8951^2 .

It is a cyclic number.

It is not a de Polignac number, because 196890037 - 2²³ = 188501429 is a prime.

It is a super-2 number, since 2×196890037² = 77531373339722738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 196889975 and 196890002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196890007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98445018 + 98445019.

It is an arithmetic number, because the mean of its divisors is an integer number (98445019).

Almost surely, 2^196890037 is an apocalyptic number.

It is an amenable number.

196890037 is a deficient number, since it is larger than the sum of its proper divisors (1).

196890037 is an equidigital number, since it uses as much as digits as its factorization.

196890037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 196890037 is about 14031.7510311436. The cubic root of 196890037 is about 581.7565033213.

The spelling of 196890037 in words is "one hundred ninety-six million, eight hundred ninety thousand, thirty-seven".