343441385 has 8 divisors (see below), whose sum is σ = 471005376. Its totient is φ = 235502640.

The previous prime is 343441381. The next prime is 343441391. The reversal of 343441385 is 583144343.

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

It is not a de Polignac number, because 343441385 - 2² = 343441381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 9812611 = 343441385 / (3 + 4 + 3 + 4 + 4 + 1 + 3 + 8 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343441381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4906271 + ... + 4906340.

It is an arithmetic number, because the mean of its divisors is an integer number (58875672).

Almost surely, 2^343441385 is an apocalyptic number.

343441385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343441385 is a deficient number, since it is larger than the sum of its proper divisors (127563991).

343441385 is an equidigital number, since it uses as much as digits as its factorization.

343441385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812623.

The product of its digits is 69120, while the sum is 35.

The square root of 343441385 is about 18532.1716212645. The cubic root of 343441385 is about 700.3001332007.

The spelling of 343441385 in words is "three hundred forty-three million, four hundred forty-one thousand, three hundred eighty-five".