34389379 has 4 divisors (see below), whose sum is σ = 35189176. Its totient is φ = 33589584.

The previous prime is 34389371. The next prime is 34389409. The reversal of 34389379 is 97398343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97398343 = 7 ⋅13914049.

It is a cyclic number.

It is not a de Polignac number, because 34389379 - 2³ = 34389371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34389371) 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, 399834 + ... + 399919.

It is an arithmetic number, because the mean of its divisors is an integer number (8797294).

Almost surely, 2^34389379 is an apocalyptic number.

34389379 is a deficient number, since it is larger than the sum of its proper divisors (799797).

34389379 is an equidigital number, since it uses as much as digits as its factorization.

34389379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799796.

The product of its digits is 489888, while the sum is 46.

The square root of 34389379 is about 5864.2458168123. The cubic root of 34389379 is about 325.1931916461.

The spelling of 34389379 in words is "thirty-four million, three hundred eighty-nine thousand, three hundred seventy-nine".