345433340 has 36 divisors (see below), whose sum is σ = 843846696. Its totient is φ = 118433952.

The previous prime is 345433339. The next prime is 345433351. The reversal of 345433340 is 43334543.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175262 + ... + 177221.

It is an arithmetic number, because the mean of its divisors is an integer number (23440186).

Almost surely, 2^345433340 is an apocalyptic number.

It is an amenable number.

345433340 is an abundant number, since it is smaller than the sum of its proper divisors (498413356).

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

345433340 is a wasteful number, since it uses less digits than its factorization.

345433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352506 (or 352497 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 29.

The square root of 345433340 is about 18585.8370809603. The cubic root of 345433340 is about 701.6514342195.

Adding to 345433340 its reverse (43334543), we get a palindrome (388767883).

The spelling of 345433340 in words is "three hundred forty-five million, four hundred thirty-three thousand, three hundred forty".