345823649 has 8 divisors (see below), whose sum is σ = 351694368. Its totient is φ = 339973920.

The previous prime is 345823619. The next prime is 345823657. The reversal of 345823649 is 946328543.

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 345823649 - 2⁸ = 345823393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345823619) 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, 29954 + ... + 39860.

It is an arithmetic number, because the mean of its divisors is an integer number (43961796).

Almost surely, 2^345823649 is an apocalyptic number.

It is an amenable number.

345823649 is a deficient number, since it is larger than the sum of its proper divisors (5870719).

345823649 is an equidigital number, since it uses as much as digits as its factorization.

345823649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495.

The product of its digits is 622080, while the sum is 44.

The square root of 345823649 is about 18596.3342893163. The cubic root of 345823649 is about 701.9156026870.

The spelling of 345823649 in words is "three hundred forty-five million, eight hundred twenty-three thousand, six hundred forty-nine".