674104399 has 2 divisors, whose sum is σ = 674104400. Its totient is φ = 674104398.

The previous prime is 674104381. The next prime is 674104427. The reversal of 674104399 is 993401476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674104399 - 2⁵ = 674104367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674104799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337052199 + 337052200.

It is an arithmetic number, because the mean of its divisors is an integer number (337052200).

Almost surely, 2^674104399 is an apocalyptic number.

674104399 is a deficient number, since it is larger than the sum of its proper divisors (1).

674104399 is an equidigital number, since it uses as much as digits as its factorization.

674104399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 674104399 is about 25963.5205432545. The cubic root of 674104399 is about 876.8171863133.

The spelling of 674104399 in words is "six hundred seventy-four million, one hundred four thousand, three hundred ninety-nine".