347861449 has 4 divisors (see below), whose sum is σ = 374620036. Its totient is φ = 321102864.

The previous prime is 347861431. The next prime is 347861489. The reversal of 347861449 is 944168743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944168743 = 7 ⋅134881249.

It can be written as a sum of positive squares in 2 ways, for example, as 15054400 + 332807049 = 3880^2 + 18243^2 .

It is a cyclic number.

It is not a de Polignac number, because 347861449 - 2⁵ = 347861417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 347861399 and 347861408.

It is not an unprimeable number, because it can be changed into a prime (347861489) 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 3 ways as a sum of consecutive naturals, for example, 13379274 + ... + 13379299.

It is an arithmetic number, because the mean of its divisors is an integer number (93655009).

Almost surely, 2^347861449 is an apocalyptic number.

It is an amenable number.

347861449 is a deficient number, since it is larger than the sum of its proper divisors (26758587).

347861449 is a wasteful number, since it uses less digits than its factorization.

347861449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26758586.

The product of its digits is 580608, while the sum is 46.

The square root of 347861449 is about 18651.0441798844. The cubic root of 347861449 is about 703.2916058042.

The spelling of 347861449 in words is "three hundred forty-seven million, eight hundred sixty-one thousand, four hundred forty-nine".