349196977 has 2 divisors, whose sum is σ = 349196978. Its totient is φ = 349196976.

The previous prime is 349196963. The next prime is 349197031. The reversal of 349196977 is 779691943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341362576 + 7834401 = 18476^2 + 2799^2 .

It is a cyclic number.

It is not a de Polignac number, because 349196977 - 2⁷ = 349196849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349196377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174598488 + 174598489.

It is an arithmetic number, because the mean of its divisors is an integer number (174598489).

Almost surely, 2^349196977 is an apocalyptic number.

It is an amenable number.

349196977 is a deficient number, since it is larger than the sum of its proper divisors (1).

349196977 is an equidigital number, since it uses as much as digits as its factorization.

349196977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The square root of 349196977 is about 18686.8129171349. The cubic root of 349196977 is about 704.1904944907.

The spelling of 349196977 in words is "three hundred forty-nine million, one hundred ninety-six thousand, nine hundred seventy-seven".