350947681 has 8 divisors (see below), whose sum is σ = 401708160. Its totient is φ = 300343488.

The previous prime is 350947679. The next prime is 350947693. The reversal of 350947681 is 186749053.

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 350947681 - 2¹ = 350947679 is a prime.

It is a super-2 number, since 2×350947681² = 246328549598555522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (350947601) by changing a digit.

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, 34216 + ... + 43273.

It is an arithmetic number, because the mean of its divisors is an integer number (50213520).

Almost surely, 2^350947681 is an apocalyptic number.

It is an amenable number.

350947681 is a deficient number, since it is larger than the sum of its proper divisors (50760479).

350947681 is an equidigital number, since it uses as much as digits as its factorization.

350947681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78143.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 350947681 is about 18733.5976523464. The cubic root of 350947681 is about 705.3653562899.

The spelling of 350947681 in words is "three hundred fifty million, nine hundred forty-seven thousand, six hundred eighty-one".