342653220 has 384 divisors, whose sum is σ = 1384857600. Its totient is φ = 68304384.

The previous prime is 342653219. The next prime is 342653237. The reversal of 342653220 is 22356243.

342653220 is a `hidden beast` number, since 3 + 4 + 2 + 653 + 2 + 2 + 0 = 666.

It is a super-2 number, since 2×342653220² = 234822458352736800, which contains 22 as substring.

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

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 127 ways as a sum of consecutive naturals, for example, 933477 + ... + 933843.

It is an arithmetic number, because the mean of its divisors is an integer number (3606400).

Almost surely, 2^342653220 is an apocalyptic number.

342653220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342653220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692428800).

342653220 is an abundant number, since it is smaller than the sum of its proper divisors (1042204380).

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

342653220 is a wasteful number, since it uses less digits than its factorization.

342653220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 342653220 is about 18510.8946299200. The cubic root of 342653220 is about 699.7640156919.

The spelling of 342653220 in words is "three hundred forty-two million, six hundred fifty-three thousand, two hundred twenty".