349407629 has 2 divisors, whose sum is σ = 349407630. Its totient is φ = 349407628.

The previous prime is 349407601. The next prime is 349407661. The reversal of 349407629 is 926704943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302690404 + 46717225 = 17398^2 + 6835^2 .

It is an emirp because it is prime and its reverse (926704943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349407629 - 2¹⁶ = 349342093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349407629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349407679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174703814 + 174703815.

It is an arithmetic number, because the mean of its divisors is an integer number (174703815).

Almost surely, 2^349407629 is an apocalyptic number.

It is an amenable number.

349407629 is a deficient number, since it is larger than the sum of its proper divisors (1).

349407629 is an equidigital number, since it uses as much as digits as its factorization.

349407629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 349407629 is about 18692.4484485045. The cubic root of 349407629 is about 704.3320662753.

The spelling of 349407629 in words is "three hundred forty-nine million, four hundred seven thousand, six hundred twenty-nine".