8037945 has 12 divisors (see below), whose sum is σ = 13932516. Its totient is φ = 4286880.

The previous prime is 8037943. The next prime is 8037961. The reversal of 8037945 is 5497308.

It can be written as a sum of positive squares in 2 ways, for example, as 4968441 + 3069504 = 2229^2 + 1752^2 .

It is not a de Polignac number, because 8037945 - 2¹ = 8037943 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8037941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89266 + ... + 89355.

It is an arithmetic number, because the mean of its divisors is an integer number (1161043).

Almost surely, 2^8037945 is an apocalyptic number.

It is an amenable number.

8037945 is a deficient number, since it is larger than the sum of its proper divisors (5894571).

8037945 is a wasteful number, since it uses less digits than its factorization.

8037945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178632 (or 178629 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8037945 is about 2835.1269812832. The cubic root of 8037945 is about 200.3157097080.

It can be divided in two parts, 80 and 37945, that added together give a square (38025 = 195²).

The spelling of 8037945 in words is "eight million, thirty-seven thousand, nine hundred forty-five".