345370861 has 8 divisors (see below), whose sum is σ = 398931264. Its totient is φ = 295504320.

The previous prime is 345370859. The next prime is 345370867. The reversal of 345370861 is 168073543.

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 345370861 - 2¹ = 345370859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345370861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345370867) 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, 923265 + ... + 923638.

It is an arithmetic number, because the mean of its divisors is an integer number (49866408).

Almost surely, 2^345370861 is an apocalyptic number.

It is an amenable number.

345370861 is a deficient number, since it is larger than the sum of its proper divisors (53560403).

345370861 is a wasteful number, since it uses less digits than its factorization.

345370861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846931.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 345370861 is about 18584.1561820816. The cubic root of 345370861 is about 701.6091287844.

The spelling of 345370861 in words is "three hundred forty-five million, three hundred seventy thousand, eight hundred sixty-one".