349262947 has 8 divisors (see below), whose sum is σ = 381154032. Its totient is φ = 317395200.

The previous prime is 349262941. The next prime is 349262971. The reversal of 349262947 is 749262943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349262947 - 2⁷ = 349262819 is a prime.

It is a super-2 number, since 2×349262947² = 243969212294249618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349262897 and 349262906.

It is not an unprimeable number, because it can be changed into a prime (349262941) 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 7 ways as a sum of consecutive naturals, for example, 44047 + ... + 51367.

It is an arithmetic number, because the mean of its divisors is an integer number (47644254).

Almost surely, 2^349262947 is an apocalyptic number.

349262947 is a deficient number, since it is larger than the sum of its proper divisors (31891085).

349262947 is a wasteful number, since it uses less digits than its factorization.

349262947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669.

The product of its digits is 653184, while the sum is 46.

The square root of 349262947 is about 18688.5779822864. The cubic root of 349262947 is about 704.2348367243.

It can be divided in two parts, 34926 and 2947, that added together give a palindrome (37873).

The spelling of 349262947 in words is "three hundred forty-nine million, two hundred sixty-two thousand, nine hundred forty-seven".