352398840 has 32 divisors (see below), whose sum is σ = 1057196880. Its totient is φ = 93972992.

The previous prime is 352398779. The next prime is 352398869. The reversal of 352398840 is 48893253.

It is a super-3 number, since 3×352398840³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352398792 and 352398801.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1468209 + ... + 1468448.

Almost surely, 2^352398840 is an apocalyptic number.

352398840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352398840 is an abundant number, since it is smaller than the sum of its proper divisors (704798040).

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

352398840 is a wasteful number, since it uses less digits than its factorization.

352398840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936671 (or 2936667 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 352398840 is about 18772.2891518323. The cubic root of 352398840 is about 706.3362414329.

The spelling of 352398840 in words is "three hundred fifty-two million, three hundred ninety-eight thousand, eight hundred forty".