345716628 has 48 divisors (see below), whose sum is σ = 850893120. Its totient is φ = 108946944.

The previous prime is 345716617. The next prime is 345716629. The reversal of 345716628 is 826617543.

It is a self number, because there is not a number n which added to its sum of digits gives 345716628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345716629) 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, 133926 + ... + 136482.

It is an arithmetic number, because the mean of its divisors is an integer number (17726940).

Almost surely, 2^345716628 is an apocalyptic number.

345716628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

345716628 is an abundant number, since it is smaller than the sum of its proper divisors (505176492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345716628 is a wasteful number, since it uses less digits than its factorization.

345716628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176 (or 3174 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 345716628 is about 18593.4565909623. The cubic root of 345716628 is about 701.8431886495.

The spelling of 345716628 in words is "three hundred forty-five million, seven hundred sixteen thousand, six hundred twenty-eight".