8398737 has 12 divisors (see below), whose sum is σ = 12523264. Its totient is φ = 5418360.

The previous prime is 8398721. The next prime is 8398739. The reversal of 8398737 is 7378938.

It is not a de Polignac number, because 8398737 - 2⁴ = 8398721 is a prime.

It is a d-powerful number, because it can be written as 8³ + 3⁵ + 9⁶ + 8⁷ + 7⁴ + 3⁷ + 7⁸ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8398692 and 8398701.

It is not an unprimeable number, because it can be changed into a prime (8398739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14773 + ... + 15330.

Almost surely, 2^8398737 is an apocalyptic number.

It is an amenable number.

8398737 is a deficient number, since it is larger than the sum of its proper divisors (4124527).

8398737 is a wasteful number, since it uses less digits than its factorization.

8398737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30140 (or 30137 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 8398737 is about 2898.0574528466. The cubic root of 8398737 is about 203.2690826888.

The spelling of 8398737 in words is "eight million, three hundred ninety-eight thousand, seven hundred thirty-seven".