352813969 has 8 divisors (see below), whose sum is σ = 355281480. Its totient is φ = 350355456.

The previous prime is 352813961. The next prime is 352813973. The reversal of 352813969 is 969318253.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 178890625 + 173923344 = 13375^2 + 13188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 352813969 - 2³ = 352813961 is a prime.

It is a super-2 number, since 2×352813969² = 248955393443065922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352813961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88777 + ... + 92665.

It is an arithmetic number, because the mean of its divisors is an integer number (44410185).

Almost surely, 2^352813969 is an apocalyptic number.

It is an amenable number.

352813969 is a deficient number, since it is larger than the sum of its proper divisors (2467511).

352813969 is a wasteful number, since it uses less digits than its factorization.

352813969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499.

The product of its digits is 349920, while the sum is 46.

The square root of 352813969 is about 18783.3428600981. The cubic root of 352813969 is about 706.6134894075.

The spelling of 352813969 in words is "three hundred fifty-two million, eight hundred thirteen thousand, nine hundred sixty-nine".