3478889 has 4 divisors (see below), whose sum is σ = 3502080. Its totient is φ = 3455700.

The previous prime is 3478883. The next prime is 3478901. The reversal of 3478889 is 9888743.

3478889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 9888743 = 113 ⋅87511.

It is a cyclic number.

It is not a de Polignac number, because 3478889 - 2⁴ = 3478873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3478883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11369 + ... + 11670.

It is an arithmetic number, because the mean of its divisors is an integer number (875520).

Almost surely, 2^3478889 is an apocalyptic number.

It is an amenable number.

3478889 is a deficient number, since it is larger than the sum of its proper divisors (23191).

3478889 is a wasteful number, since it uses less digits than its factorization.

3478889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23190.

The product of its digits is 387072, while the sum is 47.

The square root of 3478889 is about 1865.1780075907. The cubic root of 3478889 is about 151.5235688225.

The spelling of 3478889 in words is "three million, four hundred seventy-eight thousand, eight hundred eighty-nine".