8381012 has 6 divisors (see below), whose sum is σ = 14666778. Its totient is φ = 4190504.

The previous prime is 8381003. The next prime is 8381047. The reversal of 8381012 is 2101838.

It can be written as a sum of positive squares in only one way, i.e., 8375236 + 5776 = 2894^2 + 76^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047623 + ... + 1047630.

It is an arithmetic number, because the mean of its divisors is an integer number (2444463).

Almost surely, 2^8381012 is an apocalyptic number.

It is an amenable number.

8381012 is a deficient number, since it is larger than the sum of its proper divisors (6285766).

8381012 is a wasteful number, since it uses less digits than its factorization.

8381012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095257 (or 2095255 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8381012 is about 2894.9977547487. The cubic root of 8381012 is about 203.1259864883.

The spelling of 8381012 in words is "eight million, three hundred eighty-one thousand, twelve".