345988606 has 4 divisors (see below), whose sum is σ = 518982912. Its totient is φ = 172994302.

The previous prime is 345988597. The next prime is 345988619. The reversal of 345988606 is 606889543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606889543 = 13 ⋅46683811.

It is a self number, because there is not a number n which added to its sum of digits gives 345988606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86497150 + ... + 86497153.

It is an arithmetic number, because the mean of its divisors is an integer number (129745728).

Almost surely, 2^345988606 is an apocalyptic number.

345988606 is a deficient number, since it is larger than the sum of its proper divisors (172994306).

345988606 is a wasteful number, since it uses less digits than its factorization.

345988606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172994305.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 345988606 is about 18600.7689625994. The cubic root of 345988606 is about 702.0271889319.

The spelling of 345988606 in words is "three hundred forty-five million, nine hundred eighty-eight thousand, six hundred six".