345630399 has 8 divisors (see below), whose sum is σ = 467153712. Its totient is φ = 227263680.

The previous prime is 345630367. The next prime is 345630409. The reversal of 345630399 is 993036543.

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

It is not a de Polignac number, because 345630399 - 2⁵ = 345630367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345630399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345620399) 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, 788892 + ... + 789329.

It is an arithmetic number, because the mean of its divisors is an integer number (58394214).

Almost surely, 2^345630399 is an apocalyptic number.

345630399 is a deficient number, since it is larger than the sum of its proper divisors (121523313).

345630399 is a wasteful number, since it uses less digits than its factorization.

345630399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578297.

The product of its (nonzero) digits is 262440, while the sum is 42.

The square root of 345630399 is about 18591.1376467391. The cubic root of 345630399 is about 701.7848323121.

The spelling of 345630399 in words is "three hundred forty-five million, six hundred thirty thousand, three hundred ninety-nine".