345402336 has 24 divisors (see below), whose sum is σ = 906681384. Its totient is φ = 115134080.

The previous prime is 345402331. The next prime is 345402367. The reversal of 345402336 is 633204543.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345402331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798875 + ... + 1799066.

It is an arithmetic number, because the mean of its divisors is an integer number (37778391).

Almost surely, 2^345402336 is an apocalyptic number.

It is an amenable number.

345402336 is an abundant number, since it is smaller than the sum of its proper divisors (561279048).

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

345402336 is a wasteful number, since it uses less digits than its factorization.

345402336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597954 (or 3597946 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 345402336 is about 18585.0029862790. The cubic root of 345402336 is about 701.6304416001.

Adding to 345402336 its reverse (633204543), we get a palindrome (978606879).

The spelling of 345402336 in words is "three hundred forty-five million, four hundred two thousand, three hundred thirty-six".