349752929 has 2 divisors, whose sum is σ = 349752930. Its totient is φ = 349752928.

The previous prime is 349752869. The next prime is 349752941. The reversal of 349752929 is 929257943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247338529 + 102414400 = 15727^2 + 10120^2 .

It is a cyclic number.

It is not a de Polignac number, because 349752929 - 2²⁰ = 348704353 is a prime.

It is a super-2 number, since 2×349752929² = 244654222688158082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (349752629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174876464 + 174876465.

It is an arithmetic number, because the mean of its divisors is an integer number (174876465).

Almost surely, 2^349752929 is an apocalyptic number.

It is an amenable number.

349752929 is a deficient number, since it is larger than the sum of its proper divisors (1).

349752929 is an equidigital number, since it uses as much as digits as its factorization.

349752929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 349752929 is about 18701.6825178913. The cubic root of 349752929 is about 704.5640072050.

The spelling of 349752929 in words is "three hundred forty-nine million, seven hundred fifty-two thousand, nine hundred twenty-nine".