4398971 has 4 divisors (see below), whose sum is σ = 4657752. Its totient is φ = 4140192.

The previous prime is 4398959. The next prime is 4398991. The reversal of 4398971 is 1798934.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1798934 = 2 ⋅899467.

It is a cyclic number.

It is not a de Polignac number, because 4398971 - 2²² = 204667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4398941) 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, 129365 + ... + 129398.

It is an arithmetic number, because the mean of its divisors is an integer number (1164438).

Almost surely, 2^4398971 is an apocalyptic number.

4398971 is a deficient number, since it is larger than the sum of its proper divisors (258781).

4398971 is a wasteful number, since it uses less digits than its factorization.

4398971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258780.

The product of its digits is 54432, while the sum is 41.

The square root of 4398971 is about 2097.3724037471. The cubic root of 4398971 is about 163.8514791608.

The spelling of 4398971 in words is "four million, three hundred ninety-eight thousand, nine hundred seventy-one".