347649089 has 4 divisors (see below), whose sum is σ = 347738160. Its totient is φ = 347560020.

The previous prime is 347649079. The next prime is 347649103. The reversal of 347649089 is 980946743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980946743 = 7 ⋅140135249.

It is a cyclic number.

It is not a de Polignac number, because 347649089 - 2⁴ = 347649073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347649079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38399 + ... + 46580.

It is an arithmetic number, because the mean of its divisors is an integer number (86934540).

Almost surely, 2^347649089 is an apocalyptic number.

It is an amenable number.

347649089 is a deficient number, since it is larger than the sum of its proper divisors (89071).

347649089 is an equidigital number, since it uses as much as digits as its factorization.

347649089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89070.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 347649089 is about 18645.3503319192. The cubic root of 347649089 is about 703.1484631749.

The spelling of 347649089 in words is "three hundred forty-seven million, six hundred forty-nine thousand, eighty-nine".