347061989 has 8 divisors (see below), whose sum is σ = 348575808. Its totient is φ = 345552480.

The previous prime is 347061977. The next prime is 347062031. The reversal of 347061989 is 989160743.

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 347061989 - 2²⁸ = 78626533 is a prime.

It is a super-2 number, since 2×347061989² = 240904048417272242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347063989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369929 + ... + 370865.

It is an arithmetic number, because the mean of its divisors is an integer number (43571976).

Almost surely, 2^347061989 is an apocalyptic number.

It is an amenable number.

347061989 is a deficient number, since it is larger than the sum of its proper divisors (1513819).

347061989 is an equidigital number, since it uses as much as digits as its factorization.

347061989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 347061989 is about 18629.5998078327. The cubic root of 347061989 is about 702.7524210360.

The spelling of 347061989 in words is "three hundred forty-seven million, sixty-one thousand, nine hundred eighty-nine".