345173387 has 8 divisors (see below), whose sum is σ = 376961760. Its totient is φ = 314133120.

The previous prime is 345173377. The next prime is 345173393. The reversal of 345173387 is 783371543.

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 345173387 - 2⁴ = 345173371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345173317) 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, 186062 + ... + 187907.

It is an arithmetic number, because the mean of its divisors is an integer number (47120220).

Almost surely, 2^345173387 is an apocalyptic number.

345173387 is a deficient number, since it is larger than the sum of its proper divisors (31788373).

345173387 is a wasteful number, since it uses less digits than its factorization.

345173387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374053.

The product of its digits is 211680, while the sum is 41.

The square root of 345173387 is about 18578.8424558690. The cubic root of 345173387 is about 701.4753827243.

The spelling of 345173387 in words is "three hundred forty-five million, one hundred seventy-three thousand, three hundred eighty-seven".