374407289 has 2 divisors, whose sum is σ = 374407290. Its totient is φ = 374407288.

The previous prime is 374407279. The next prime is 374407309. The reversal of 374407289 is 982704473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259210000 + 115197289 = 16100^2 + 10733^2 .

It is an emirp because it is prime and its reverse (982704473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374407289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (374407219) 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, 187203644 + 187203645.

It is an arithmetic number, because the mean of its divisors is an integer number (187203645).

Almost surely, 2^374407289 is an apocalyptic number.

It is an amenable number.

374407289 is a deficient number, since it is larger than the sum of its proper divisors (1).

374407289 is an equidigital number, since it uses as much as digits as its factorization.

374407289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 374407289 is about 19349.6069469124. The cubic root of 374407289 is about 720.7446571735.

The spelling of 374407289 in words is "three hundred seventy-four million, four hundred seven thousand, two hundred eighty-nine".