674388199 has 2 divisors, whose sum is σ = 674388200. Its totient is φ = 674388198.

The previous prime is 674388173. The next prime is 674388227. The reversal of 674388199 is 991883476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674388199 - 2²⁷ = 540170471 is a prime.

It is a super-3 number, since 3×674388199³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674388119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337194099 + 337194100.

It is an arithmetic number, because the mean of its divisors is an integer number (337194100).

Almost surely, 2^674388199 is an apocalyptic number.

674388199 is a deficient number, since it is larger than the sum of its proper divisors (1).

674388199 is an equidigital number, since it uses as much as digits as its factorization.

674388199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 674388199 is about 25968.9853286570. The cubic root of 674388199 is about 876.9402166160.

The spelling of 674388199 in words is "six hundred seventy-four million, three hundred eighty-eight thousand, one hundred ninety-nine".