8380047 has 16 divisors (see below), whose sum is σ = 12121088. Its totient is φ = 5119200.

The previous prime is 8380039. The next prime is 8380051. The reversal of 8380047 is 7400838.

It is not a de Polignac number, because 8380047 - 2³ = 8380039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8379996 and 8380023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5178 + ... + 6600.

It is an arithmetic number, because the mean of its divisors is an integer number (757568).

Almost surely, 2^8380047 is an apocalyptic number.

8380047 is a deficient number, since it is larger than the sum of its proper divisors (3741041).

8380047 is a wasteful number, since it uses less digits than its factorization.

8380047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8380047 is about 2894.8310831549. The cubic root of 8380047 is about 203.1181901307.

The spelling of 8380047 in words is "eight million, three hundred eighty thousand, forty-seven".