342530856 has 56 divisors (see below), whose sum is σ = 962943930. Its totient is φ = 114175008.

The previous prime is 342530849. The next prime is 342530893. The reversal of 342530856 is 658035243.

It is a happy number.

342530856 is a `hidden beast` number, since 3 + 42 + 530 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 189612900 + 152917956 = 13770^2 + 12366^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 342530856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 23535 + ... + 35198.

Almost surely, 2^342530856 is an apocalyptic number.

342530856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

342530856 is an abundant number, since it is smaller than the sum of its proper divisors (620413074).

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

342530856 is an equidigital number, since it uses as much as digits as its factorization.

342530856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58757 (or 58738 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 342530856 is about 18507.5891460773. The cubic root of 342530856 is about 699.6807088055.

The spelling of 342530856 in words is "three hundred forty-two million, five hundred thirty thousand, eight hundred fifty-six".