345264590 has 16 divisors (see below), whose sum is σ = 677974320. Its totient is φ = 125550720.

The previous prime is 345264589. The next prime is 345264593. The reversal of 345264590 is 95462543.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345264593) 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 7 ways as a sum of consecutive naturals, for example, 1569275 + ... + 1569494.

It is an arithmetic number, because the mean of its divisors is an integer number (42373395).

Almost surely, 2^345264590 is an apocalyptic number.

345264590 is a deficient number, since it is larger than the sum of its proper divisors (332709730).

345264590 is a wasteful number, since it uses less digits than its factorization.

345264590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138787.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 345264590 is about 18581.2967792886. The cubic root of 345264590 is about 701.5371594311.

The spelling of 345264590 in words is "three hundred forty-five million, two hundred sixty-four thousand, five hundred ninety".