345028916 has 6 divisors (see below), whose sum is σ = 603800610. Its totient is φ = 172514456.

The previous prime is 345028913. The next prime is 345028933. The reversal of 345028916 is 619820543.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 324144016 + 20884900 = 18004^2 + 4570^2 .

It is a super-2 number, since 2×345028916² = 238089905752270112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345028916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345028913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43128611 + ... + 43128618.

It is an arithmetic number, because the mean of its divisors is an integer number (100633435).

Almost surely, 2^345028916 is an apocalyptic number.

It is an amenable number.

345028916 is a deficient number, since it is larger than the sum of its proper divisors (258771694).

345028916 is a wasteful number, since it uses less digits than its factorization.

345028916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86257233 (or 86257231 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 345028916 is about 18574.9539972512. The cubic root of 345028916 is about 701.3775024550.

The spelling of 345028916 in words is "three hundred forty-five million, twenty-eight thousand, nine hundred sixteen".