349517245 has 48 divisors (see below), whose sum is σ = 542515968. Its totient is φ = 213682560.

The previous prime is 349517243. The next prime is 349517257. The reversal of 349517245 is 542715943.

It is a happy number.

It is not a de Polignac number, because 349517245 - 2¹ = 349517243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349517198 and 349517207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349517243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141612 + ... + 144058.

It is an arithmetic number, because the mean of its divisors is an integer number (11302416).

Almost surely, 2^349517245 is an apocalyptic number.

349517245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

349517245 is a deficient number, since it is larger than the sum of its proper divisors (192998723).

349517245 is a wasteful number, since it uses less digits than its factorization.

349517245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2523 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 349517245 is about 18695.3803117241. The cubic root of 349517245 is about 704.4057128179.

The spelling of 349517245 in words is "three hundred forty-nine million, five hundred seventeen thousand, two hundred forty-five".