349293277 has 2 divisors, whose sum is σ = 349293278. Its totient is φ = 349293276.

The previous prime is 349293251. The next prime is 349293353. The reversal of 349293277 is 772392943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282609721 + 66683556 = 16811^2 + 8166^2 .

It is a cyclic number.

It is not a de Polignac number, because 349293277 - 2⁷ = 349293149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349293677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174646638 + 174646639.

It is an arithmetic number, because the mean of its divisors is an integer number (174646639).

Almost surely, 2^349293277 is an apocalyptic number.

It is an amenable number.

349293277 is a deficient number, since it is larger than the sum of its proper divisors (1).

349293277 is an equidigital number, since it uses as much as digits as its factorization.

349293277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 349293277 is about 18689.3894228784. The cubic root of 349293277 is about 704.2552213891.

It can be divided in two parts, 3492 and 93277, that added together give a palindrome (96769).

The spelling of 349293277 in words is "three hundred forty-nine million, two hundred ninety-three thousand, two hundred seventy-seven".