349356949 has 4 divisors (see below), whose sum is σ = 360626560. Its totient is φ = 338087340.

The previous prime is 349356947. The next prime is 349356967. The reversal of 349356949 is 949653943.

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: 949653943 = 7 ⋅135664849.

It is a cyclic number.

It is not a de Polignac number, because 349356949 - 2¹ = 349356947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349356896 and 349356905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349356947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5634759 + ... + 5634820.

It is an arithmetic number, because the mean of its divisors is an integer number (90156640).

Almost surely, 2^349356949 is an apocalyptic number.

It is an amenable number.

349356949 is a deficient number, since it is larger than the sum of its proper divisors (11269611).

349356949 is a wasteful number, since it uses less digits than its factorization.

349356949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269610.

The product of its digits is 3149280, while the sum is 52.

The square root of 349356949 is about 18691.0927716921. The cubic root of 349356949 is about 704.2980112327.

The spelling of 349356949 in words is "three hundred forty-nine million, three hundred fifty-six thousand, nine hundred forty-nine".