342296820 has 48 divisors (see below), whose sum is σ = 1064925120. Its totient is φ = 91279008.

The previous prime is 342296789. The next prime is 342296821. The reversal of 342296820 is 28692243.

342296820 is a `hidden beast` number, since 342 + 296 + 8 + 20 = 666.

It is a super-2 number, since 2×342296820² = 234334225964224800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342296821) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 316402 + ... + 317481.

It is an arithmetic number, because the mean of its divisors is an integer number (22185940).

Almost surely, 2^342296820 is an apocalyptic number.

342296820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342296820 is an abundant number, since it is smaller than the sum of its proper divisors (722628300).

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

342296820 is a wasteful number, since it uses less digits than its factorization.

342296820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633901 (or 633893 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 342296820 is about 18501.2653621313. The cubic root of 342296820 is about 699.5213189967.

The spelling of 342296820 in words is "three hundred forty-two million, two hundred ninety-six thousand, eight hundred twenty".