345251634 has 32 divisors (see below), whose sum is σ = 849851520. Its totient is φ = 91055232.

The previous prime is 345251617. The next prime is 345251639. The reversal of 345251634 is 436152543.

It is a junction number, because it is equal to n+sod(n) for n = 345251595 and 345251604.

It is not an unprimeable number, because it can be changed into a prime (345251639) 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 15 ways as a sum of consecutive naturals, for example, 315619 + ... + 316710.

It is an arithmetic number, because the mean of its divisors is an integer number (26557860).

Almost surely, 2^345251634 is an apocalyptic number.

345251634 is an abundant number, since it is smaller than the sum of its proper divisors (504599886).

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

345251634 is a wasteful number, since it uses less digits than its factorization.

345251634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632354.

The product of its digits is 43200, while the sum is 33.

The square root of 345251634 is about 18580.9481458832. The cubic root of 345251634 is about 701.5283842971.

Subtracting 345251634 from its reverse (436152543), we obtain a palindrome (90900909).

The spelling of 345251634 in words is "three hundred forty-five million, two hundred fifty-one thousand, six hundred thirty-four".