345602961 has 12 divisors (see below), whose sum is σ = 544586640. Its totient is φ = 209456280.

The previous prime is 345602897. The next prime is 345602987. The reversal of 345602961 is 169206543.

It is a happy number.

345602961 is a `hidden beast` number, since 3 + 4 + 560 + 2 + 96 + 1 = 666.

It is not a de Polignac number, because 345602961 - 2⁶ = 345602897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345609961) 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, 1745371 + ... + 1745568.

It is an arithmetic number, because the mean of its divisors is an integer number (45382220).

Almost surely, 2^345602961 is an apocalyptic number.

It is an amenable number.

345602961 is a deficient number, since it is larger than the sum of its proper divisors (198983679).

345602961 is a wasteful number, since it uses less digits than its factorization.

345602961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490956 (or 3490953 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 345602961 is about 18590.3996998451. The cubic root of 345602961 is about 701.7662613359.

It can be divided in two parts, 345 and 602961, that added together give a palindrome (603306).

The spelling of 345602961 in words is "three hundred forty-five million, six hundred two thousand, nine hundred sixty-one".