354640199 has 2 divisors, whose sum is σ = 354640200. Its totient is φ = 354640198.

The previous prime is 354640193. The next prime is 354640259. The reversal of 354640199 is 991046453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354640199 - 2²⁴ = 337862983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354640193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177320099 + 177320100.

It is an arithmetic number, because the mean of its divisors is an integer number (177320100).

Almost surely, 2^354640199 is an apocalyptic number.

354640199 is a deficient number, since it is larger than the sum of its proper divisors (1).

354640199 is an equidigital number, since it uses as much as digits as its factorization.

354640199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 354640199 is about 18831.8931337240. The cubic root of 354640199 is about 707.8305789888.

The spelling of 354640199 in words is "three hundred fifty-four million, six hundred forty thousand, one hundred ninety-nine".