351686867 has 12 divisors (see below), whose sum is σ = 409451976. Its totient is φ = 301190400.

The previous prime is 351686843. The next prime is 351686869. The reversal of 351686867 is 768686153.

It is a happy number.

It is not a de Polignac number, because 351686867 - 2¹⁶ = 351621331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351686869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76208 + ... + 80690.

It is an arithmetic number, because the mean of its divisors is an integer number (34120998).

Almost surely, 2^351686867 is an apocalyptic number.

351686867 is a deficient number, since it is larger than the sum of its proper divisors (57765109).

351686867 is a wasteful number, since it uses less digits than its factorization.

351686867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098 (or 6091 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 351686867 is about 18753.3161600822. The cubic root of 351686867 is about 705.8602359044.

The spelling of 351686867 in words is "three hundred fifty-one million, six hundred eighty-six thousand, eight hundred sixty-seven".