345400384 has 56 divisors (see below), whose sum is σ = 817400448. Its totient is φ = 141588480.

The previous prime is 345400379. The next prime is 345400457. The reversal of 345400384 is 483004543.

345400384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6457 + ... + 27064.

Almost surely, 2^345400384 is an apocalyptic number.

It is an amenable number.

345400384 is an abundant number, since it is smaller than the sum of its proper divisors (472000064).

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

345400384 is a wasteful number, since it uses less digits than its factorization.

345400384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33563 (or 33553 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 345400384 is about 18584.9504707438. The cubic root of 345400384 is about 701.6291198708.

The spelling of 345400384 in words is "three hundred forty-five million, four hundred thousand, three hundred eighty-four".