8398472 has 8 divisors (see below), whose sum is σ = 15747150. Its totient is φ = 4199232.

The previous prime is 8398471. The next prime is 8398483. The reversal of 8398472 is 2748938.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 3407716 = 2234^2 + 1846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8398471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524897 + ... + 524912.

Almost surely, 2^8398472 is an apocalyptic number.

It is an amenable number.

8398472 is a deficient number, since it is larger than the sum of its proper divisors (7348678).

8398472 is a wasteful number, since it uses less digits than its factorization.

8398472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049815 (or 1049811 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 8398472 is about 2898.0117322054. The cubic root of 8398472 is about 203.2669447930.

The spelling of 8398472 in words is "eight million, three hundred ninety-eight thousand, four hundred seventy-two".