345400624 has 20 divisors (see below), whose sum is σ = 687301744. Its totient is φ = 168032448.

The previous prime is 345400621. The next prime is 345400631. The reversal of 345400624 is 426004543.

345400624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 345400592 and 345400601.

It is not an unprimeable number, because it can be changed into a prime (345400621) 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, 291132 + ... + 292315.

Almost surely, 2^345400624 is an apocalyptic number.

It is an amenable number.

345400624 is a deficient number, since it is larger than the sum of its proper divisors (341901120).

345400624 is a wasteful number, since it uses less digits than its factorization.

345400624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583492 (or 583486 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 345400624 is about 18584.9569275799. The cubic root of 345400624 is about 701.6292823787.

The spelling of 345400624 in words is "three hundred forty-five million, four hundred thousand, six hundred twenty-four".