345692385 has 12 divisors (see below), whose sum is σ = 599200212. Its totient is φ = 184369248.

The previous prime is 345692381. The next prime is 345692407. The reversal of 345692385 is 583296543.

345692385 is a `hidden beast` number, since 3 + 4 + 569 + 2 + 3 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97535376 + 248157009 = 9876^2 + 15753^2 .

It is not a de Polignac number, because 345692385 - 2² = 345692381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7682053 = 345692385 / (3 + 4 + 5 + 6 + 9 + 2 + 3 + 8 + 5).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 345692385.

It is not an unprimeable number, because it can be changed into a prime (345692381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3840982 + ... + 3841071.

It is an arithmetic number, because the mean of its divisors is an integer number (49933351).

Almost surely, 2^345692385 is an apocalyptic number.

It is an amenable number.

345692385 is a deficient number, since it is larger than the sum of its proper divisors (253507827).

345692385 is a wasteful number, since it uses less digits than its factorization.

345692385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682064 (or 7682061 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 345692385 is about 18592.8046566407. The cubic root of 345692385 is about 701.8267829377.

The spelling of 345692385 in words is "three hundred forty-five million, six hundred ninety-two thousand, three hundred eighty-five".