352489340 has 72 divisors (see below), whose sum is σ = 865114992. Its totient is φ = 120288000.

The previous prime is 352489327. The next prime is 352489363. The reversal of 352489340 is 43984253.

It is a junction number, because it is equal to n+sod(n) for n = 352489294 and 352489303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245264 + ... + 246696.

It is an arithmetic number, because the mean of its divisors is an integer number (12015486).

Almost surely, 2^352489340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352489340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432557496).

352489340 is an abundant number, since it is smaller than the sum of its proper divisors (512625652).

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

352489340 is a wasteful number, since it uses less digits than its factorization.

352489340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 352489340 is about 18774.6994649715. The cubic root of 352489340 is about 706.3967012976.

The spelling of 352489340 in words is "three hundred fifty-two million, four hundred eighty-nine thousand, three hundred forty".