345210426 has 24 divisors (see below), whose sum is σ = 815952384. Its totient is φ = 104609160.

The previous prime is 345210421. The next prime is 345210433. The reversal of 345210426 is 624012543.

It is a self number, because there is not a number n which added to its sum of digits gives 345210426.

It is not an unprimeable number, because it can be changed into a prime (345210421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871546 + ... + 871941.

It is an arithmetic number, because the mean of its divisors is an integer number (33998016).

Almost surely, 2^345210426 is an apocalyptic number.

345210426 is an abundant number, since it is smaller than the sum of its proper divisors (470741958).

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

345210426 is a wasteful number, since it uses less digits than its factorization.

345210426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743506 (or 1743503 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 345210426 is about 18579.8392350418. The cubic root of 345210426 is about 701.5004725471.

Adding to 345210426 its reverse (624012543), we get a palindrome (969222969).

The spelling of 345210426 in words is "three hundred forty-five million, two hundred ten thousand, four hundred twenty-six".