345863407 has 8 divisors (see below), whose sum is σ = 350429184. Its totient is φ = 341307288.

The previous prime is 345863389. The next prime is 345863461. The reversal of 345863407 is 704368543.

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

It is not a de Polignac number, because 345863407 - 2²³ = 337474799 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 345863407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345863207) 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, 94738 + ... + 98320.

It is an arithmetic number, because the mean of its divisors is an integer number (43803648).

Almost surely, 2^345863407 is an apocalyptic number.

345863407 is a deficient number, since it is larger than the sum of its proper divisors (4565777).

345863407 is a wasteful number, since it uses less digits than its factorization.

345863407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 345863407 is about 18597.4032327097. The cubic root of 345863407 is about 701.9425004920.

The spelling of 345863407 in words is "three hundred forty-five million, eight hundred sixty-three thousand, four hundred seven".