352506839 has 4 divisors (see below), whose sum is σ = 356467680. Its totient is φ = 348546000.

The previous prime is 352506823. The next prime is 352506841. The reversal of 352506839 is 938605253.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 352506839 - 2⁴ = 352506823 is a prime.

It is a super-2 number, since 2×352506839² = 248522143083543842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352506796 and 352506805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352536839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980287 + ... + 1980464.

It is an arithmetic number, because the mean of its divisors is an integer number (89116920).

Almost surely, 2^352506839 is an apocalyptic number.

352506839 is a deficient number, since it is larger than the sum of its proper divisors (3960841).

352506839 is an equidigital number, since it uses as much as digits as its factorization.

352506839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960840.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 352506839 is about 18775.1654852893. The cubic root of 352506839 is about 706.4083905696.

The spelling of 352506839 in words is "three hundred fifty-two million, five hundred six thousand, eight hundred thirty-nine".