346815489 has 4 divisors (see below), whose sum is σ = 462420656. Its totient is φ = 231210324.

The previous prime is 346815473. The next prime is 346815503. The reversal of 346815489 is 984518643.

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: 984518643 = 3 ⋅328172881.

It is not a de Polignac number, because 346815489 - 2⁴ = 346815473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346815389) 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, 57802579 + ... + 57802584.

It is an arithmetic number, because the mean of its divisors is an integer number (115605164).

Almost surely, 2^346815489 is an apocalyptic number.

It is an amenable number.

346815489 is a deficient number, since it is larger than the sum of its proper divisors (115605167).

346815489 is a wasteful number, since it uses less digits than its factorization.

346815489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115605166.

The product of its digits is 829440, while the sum is 48.

The square root of 346815489 is about 18622.9828169389. The cubic root of 346815489 is about 702.5860055202.

The spelling of 346815489 in words is "three hundred forty-six million, eight hundred fifteen thousand, four hundred eighty-nine".