8157394 has 16 divisors (see below), whose sum is σ = 14122368. Its totient is φ = 3461472.

The previous prime is 8157379. The next prime is 8157421. The reversal of 8157394 is 4937518.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 4270.

It is an arithmetic number, because the mean of its divisors is an integer number (882648).

Almost surely, 2^8157394 is an apocalyptic number.

8157394 is a deficient number, since it is larger than the sum of its proper divisors (5964974).

8157394 is a wasteful number, since it uses less digits than its factorization.

8157394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769.

The product of its digits is 30240, while the sum is 37.

The square root of 8157394 is about 2856.1151937553. The cubic root of 8157394 is about 201.3031077773.

It can be divided in two parts, 81 and 57394, that added together give a palindrome (57475).

The spelling of 8157394 in words is "eight million, one hundred fifty-seven thousand, three hundred ninety-four".