8449479 has 6 divisors (see below), whose sum is σ = 12204816. Its totient is φ = 5632980.

The previous prime is 8449477. The next prime is 8449481. The reversal of 8449479 is 9749448.

8449479 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8449477) and next prime (8449481).

It is not a de Polignac number, because 8449479 - 2¹ = 8449477 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469407 + ... + 469424.

It is an arithmetic number, because the mean of its divisors is an integer number (2034136).

Almost surely, 2^8449479 is an apocalyptic number.

8449479 is a deficient number, since it is larger than the sum of its proper divisors (3755337).

8449479 is a wasteful number, since it uses less digits than its factorization.

8449479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938837 (or 938834 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8449479 is about 2906.7987546440. The cubic root of 8449479 is about 203.6776194157.

The spelling of 8449479 in words is "eight million, four hundred forty-nine thousand, four hundred seventy-nine".