345085387 has 8 divisors (see below), whose sum is σ = 349525440. Its totient is φ = 340665600.

The previous prime is 345085373. The next prime is 345085409. The reversal of 345085387 is 783580543.

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 345085387 - 2⁷ = 345085259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345085487) 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, 30814 + ... + 40492.

It is an arithmetic number, because the mean of its divisors is an integer number (43690680).

Almost surely, 2^345085387 is an apocalyptic number.

345085387 is a deficient number, since it is larger than the sum of its proper divisors (4440053).

345085387 is a wasteful number, since it uses less digits than its factorization.

345085387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 345085387 is about 18576.4740195765. The cubic root of 345085387 is about 701.4157652657.

The spelling of 345085387 in words is "three hundred forty-five million, eighty-five thousand, three hundred eighty-seven".