34389518 has 4 divisors (see below), whose sum is σ = 51584280. Its totient is φ = 17194758.

The previous prime is 34389517. The next prime is 34389547. The reversal of 34389518 is 81598343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81598343 = 251 ⋅325093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34389517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8597378 + ... + 8597381.

It is an arithmetic number, because the mean of its divisors is an integer number (12896070).

Almost surely, 2^34389518 is an apocalyptic number.

34389518 is a deficient number, since it is larger than the sum of its proper divisors (17194762).

34389518 is a wasteful number, since it uses less digits than its factorization.

34389518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17194761.

The product of its digits is 103680, while the sum is 41.

The square root of 34389518 is about 5864.2576682816. The cubic root of 34389518 is about 325.1936297832.

The spelling of 34389518 in words is "thirty-four million, three hundred eighty-nine thousand, five hundred eighteen".