342520434 has 16 divisors (see below), whose sum is σ = 761156640. Its totient is φ = 114173460.

The previous prime is 342520411. The next prime is 342520469. The reversal of 342520434 is 434025243.

342520434 is a `hidden beast` number, since 3 + 425 + 204 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 342520398 and 342520407.

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, 3171432 + ... + 3171539.

It is an arithmetic number, because the mean of its divisors is an integer number (47572290).

Almost surely, 2^342520434 is an apocalyptic number.

342520434 is an abundant number, since it is smaller than the sum of its proper divisors (418636206).

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

342520434 is a wasteful number, since it uses less digits than its factorization.

342520434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342982 (or 6342976 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 342520434 is about 18507.3075837627. The cubic root of 342520434 is about 699.6736124655.

Adding to 342520434 its reverse (434025243), we get a palindrome (776545677).

The spelling of 342520434 in words is "three hundred forty-two million, five hundred twenty thousand, four hundred thirty-four".