8380042 has 16 divisors (see below), whose sum is σ = 13973472. Its totient is φ = 3736720.

The previous prime is 8380039. The next prime is 8380051. The reversal of 8380042 is 2400838.

It is a junction number, because it is equal to n+sod(n) for n = 8379989 and 8380016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (873342).

Almost surely, 2^8380042 is an apocalyptic number.

8380042 is a deficient number, since it is larger than the sum of its proper divisors (5593430).

8380042 is a wasteful number, since it uses less digits than its factorization.

8380042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 8380042 is about 2894.8302195466. The cubic root of 8380042 is about 203.1181497335.

The spelling of 8380042 in words is "eight million, three hundred eighty thousand, forty-two".