349196957 has 4 divisors (see below), whose sum is σ = 354115296. Its totient is φ = 344278620.

The previous prime is 349196941. The next prime is 349196963. The reversal of 349196957 is 759691943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 759691943 = 1487 ⋅510889.

It is a cyclic number.

It is not a de Polignac number, because 349196957 - 2⁴ = 349196941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349196899 and 349196908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349196977) 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 in 3 ways as a sum of consecutive naturals, for example, 2459063 + ... + 2459204.

It is an arithmetic number, because the mean of its divisors is an integer number (88528824).

Almost surely, 2^349196957 is an apocalyptic number.

It is an amenable number.

349196957 is a deficient number, since it is larger than the sum of its proper divisors (4918339).

349196957 is an equidigital number, since it uses as much as digits as its factorization.

349196957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918338.

The product of its digits is 1837080, while the sum is 53.

The square root of 349196957 is about 18686.8123819982. The cubic root of 349196957 is about 704.1904810467.

The spelling of 349196957 in words is "three hundred forty-nine million, one hundred ninety-six thousand, nine hundred fifty-seven".