352439820 has 36 divisors (see below), whose sum is σ = 1069068000. Its totient is φ = 93983904.

The previous prime is 352439819. The next prime is 352439827. The reversal of 352439820 is 28934253.

352439820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×352439820³ (a number of 27 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (352439827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978820 + ... + 979179.

Almost surely, 2^352439820 is an apocalyptic number.

352439820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352439820 is an abundant number, since it is smaller than the sum of its proper divisors (716628180).

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

352439820 is a wasteful number, since it uses less digits than its factorization.

352439820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958014 (or 1958009 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 352439820 is about 18773.3806225730. The cubic root of 352439820 is about 706.3636200107.

The spelling of 352439820 in words is "three hundred fifty-two million, four hundred thirty-nine thousand, eight hundred twenty".