346147489 has 16 divisors (see below), whose sum is σ = 373810896. Its totient is φ = 319334400.

The previous prime is 346147423. The next prime is 346147499. The reversal of 346147489 is 984741643.

It can be written as a sum of positive squares in 8 ways, for example, as 83448225 + 262699264 = 9135^2 + 16208^2 .

It is a cyclic number.

It is not a de Polignac number, because 346147489 - 2²⁷ = 211929761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346147499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560709 + ... + 561325.

It is an arithmetic number, because the mean of its divisors is an integer number (23363181).

Almost surely, 2^346147489 is an apocalyptic number.

It is an amenable number.

346147489 is a deficient number, since it is larger than the sum of its proper divisors (27663407).

346147489 is a wasteful number, since it uses less digits than its factorization.

346147489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its digits is 580608, while the sum is 46.

The square root of 346147489 is about 18605.0393442207. The cubic root of 346147489 is about 702.1346328521.

The spelling of 346147489 in words is "three hundred forty-six million, one hundred forty-seven thousand, four hundred eighty-nine".