8380045 has 8 divisors (see below), whose sum is σ = 10585440. Its totient is φ = 6351120.

The previous prime is 8380039. The next prime is 8380051. The reversal of 8380045 is 5400838.

It is an interprime number because it is at equal distance from previous prime (8380039) and next prime (8380051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8380045 - 2³ = 8380037 is a prime.

8380045 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8379995 and 8380022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44011 + ... + 44200.

It is an arithmetic number, because the mean of its divisors is an integer number (1323180).

Almost surely, 2^8380045 is an apocalyptic number.

It is an amenable number.

8380045 is a deficient number, since it is larger than the sum of its proper divisors (2205395).

8380045 is a wasteful number, since it uses less digits than its factorization.

8380045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88235.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8380045 is about 2894.8307377116. The cubic root of 8380045 is about 203.1181739718.

It can be divided in two parts, 83800 and 45, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 8380045 in words is "eight million, three hundred eighty thousand, forty-five".