342188805 has 32 divisors (see below), whose sum is σ = 638496000. Its totient is φ = 156426816.

The previous prime is 342188773. The next prime is 342188809. The reversal of 342188805 is 508881243.

It is not a de Polignac number, because 342188805 - 2⁵ = 342188773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342188809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28110 + ... + 38399.

It is an arithmetic number, because the mean of its divisors is an integer number (19953000).

Almost surely, 2^342188805 is an apocalyptic number.

342188805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

342188805 is a deficient number, since it is larger than the sum of its proper divisors (296307195).

342188805 is an equidigital number, since it uses as much as digits as its factorization.

342188805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66538 (or 66524 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 342188805 is about 18498.3460071434. The cubic root of 342188805 is about 699.4477310656.

The spelling of 342188805 in words is "three hundred forty-two million, one hundred eighty-eight thousand, eight hundred five".