373290389 has 2 divisors, whose sum is σ = 373290390. Its totient is φ = 373290388.

The previous prime is 373290383. The next prime is 373290409. The reversal of 373290389 is 983092373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276956164 + 96334225 = 16642^2 + 9815^2 .

It is a cyclic number.

It is not a de Polignac number, because 373290389 - 2²⁰ = 372241813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373290383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186645194 + 186645195.

It is an arithmetic number, because the mean of its divisors is an integer number (186645195).

Almost surely, 2^373290389 is an apocalyptic number.

It is an amenable number.

373290389 is a deficient number, since it is larger than the sum of its proper divisors (1).

373290389 is an equidigital number, since it uses as much as digits as its factorization.

373290389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 373290389 is about 19320.7243394237. The cubic root of 373290389 is about 720.0272552697.

The spelling of 373290389 in words is "three hundred seventy-three million, two hundred ninety thousand, three hundred eighty-nine".