347133385 has 8 divisors (see below), whose sum is σ = 418098816. Its totient is φ = 276680880.

The previous prime is 347133379. The next prime is 347133481. The reversal of 347133385 is 583331743.

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

It is not a de Polignac number, because 347133385 - 2¹⁹ = 346609097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126739 + ... + 129448.

It is an arithmetic number, because the mean of its divisors is an integer number (52262352).

Almost surely, 2^347133385 is an apocalyptic number.

It is an amenable number.

347133385 is a deficient number, since it is larger than the sum of its proper divisors (70965431).

347133385 is a wasteful number, since it uses less digits than its factorization.

347133385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256463.

The product of its digits is 90720, while the sum is 37.

The square root of 347133385 is about 18631.5159071934. The cubic root of 347133385 is about 702.8006067332.

It can be divided in two parts, 3471 and 33385, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 347133385 in words is "three hundred forty-seven million, one hundred thirty-three thousand, three hundred eighty-five".