345324690 has 24 divisors (see below), whose sum is σ = 897844428. Its totient is φ = 92086560.

The previous prime is 345324667. The next prime is 345324697. The reversal of 345324690 is 96423543.

345324690 is a `hidden beast` number, since 34 + 532 + 4 + 6 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 311487201 + 33837489 = 17649^2 + 5817^2 .

It is a super-2 number, since 2×345324690² = 238498283047192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345324697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1918381 + ... + 1918560.

Almost surely, 2^345324690 is an apocalyptic number.

345324690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345324690 is an abundant number, since it is smaller than the sum of its proper divisors (552519738).

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

345324690 is a wasteful number, since it uses less digits than its factorization.

345324690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836954 (or 3836951 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 345324690 is about 18582.9139265079. The cubic root of 345324690 is about 701.5778624536.

The spelling of 345324690 in words is "three hundred forty-five million, three hundred twenty-four thousand, six hundred ninety".