347870029 has 4 divisors (see below), whose sum is σ = 374629276. Its totient is φ = 321110784.

The previous prime is 347870027. The next prime is 347870057. The reversal of 347870029 is 920078743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86304100 + 261565929 = 9290^2 + 16173^2 .

It is a cyclic number.

It is not a de Polignac number, because 347870029 - 2¹ = 347870027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 347869973 and 347870000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347870027) 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, 13379604 + ... + 13379629.

It is an arithmetic number, because the mean of its divisors is an integer number (93657319).

Almost surely, 2^347870029 is an apocalyptic number.

It is an amenable number.

347870029 is a deficient number, since it is larger than the sum of its proper divisors (26759247).

347870029 is a wasteful number, since it uses less digits than its factorization.

347870029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759246.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 347870029 is about 18651.2741923977. The cubic root of 347870029 is about 703.2973879840.

The spelling of 347870029 in words is "three hundred forty-seven million, eight hundred seventy thousand, twenty-nine".