345646085 has 16 divisors (see below), whose sum is σ = 420816000. Its totient is φ = 272517696.

The previous prime is 345646073. The next prime is 345646087. The reversal of 345646085 is 580646543.

It is a cyclic number.

It is not a de Polignac number, because 345646085 - 2²⁸ = 77210629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345646087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106862 + ... + 110048.

It is an arithmetic number, because the mean of its divisors is an integer number (26301000).

Almost surely, 2^345646085 is an apocalyptic number.

It is an amenable number.

345646085 is a deficient number, since it is larger than the sum of its proper divisors (75169915).

345646085 is a wasteful number, since it uses less digits than its factorization.

345646085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 345646085 is about 18591.5595096269. The cubic root of 345646085 is about 701.7954486915.

The spelling of 345646085 in words is "three hundred forty-five million, six hundred forty-six thousand, eighty-five".