346886987 has 2 divisors, whose sum is σ = 346886988. Its totient is φ = 346886986.

The previous prime is 346886959. The next prime is 346887011. The reversal of 346886987 is 789688643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346886987 - 2²⁰ = 345838411 is a prime.

It is a super-3 number, since 3×346886987³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (346886927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173443493 + 173443494.

It is an arithmetic number, because the mean of its divisors is an integer number (173443494).

Almost surely, 2^346886987 is an apocalyptic number.

346886987 is a deficient number, since it is larger than the sum of its proper divisors (1).

346886987 is an equidigital number, since it uses as much as digits as its factorization.

346886987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 59.

The square root of 346886987 is about 18624.9023353144. The cubic root of 346886987 is about 702.6342829129.

The spelling of 346886987 in words is "three hundred forty-six million, eight hundred eighty-six thousand, nine hundred eighty-seven".