345776500 has 24 divisors (see below), whose sum is σ = 755176968. Its totient is φ = 138310400.

The previous prime is 345776479. The next prime is 345776527. The reversal of 345776500 is 5677543.

It can be written as a sum of positive squares in 4 ways, for example, as 43086096 + 302690404 = 6564^2 + 17398^2 .

It is a super-2 number, since 2×345776500² = 239122775904500000, 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 345776500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345277 + ... + 346276.

It is an arithmetic number, because the mean of its divisors is an integer number (31465707).

Almost surely, 2^345776500 is an apocalyptic number.

It is an amenable number.

345776500 is an abundant number, since it is smaller than the sum of its proper divisors (409400468).

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

345776500 is a wasteful number, since it uses less digits than its factorization.

345776500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691572 (or 691560 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 345776500 is about 18595.0665500288. The cubic root of 345776500 is about 701.8837019163.

The spelling of 345776500 in words is "three hundred forty-five million, seven hundred seventy-six thousand, five hundred".