8418157 has 4 divisors (see below), whose sum is σ = 9183456. Its totient is φ = 7652860.

The previous prime is 8418139. The next prime is 8418169. The reversal of 8418157 is 7518148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8418157 - 2¹⁵ = 8385389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8418107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382633 + ... + 382654.

It is an arithmetic number, because the mean of its divisors is an integer number (2295864).

Almost surely, 2^8418157 is an apocalyptic number.

It is an amenable number.

8418157 is a deficient number, since it is larger than the sum of its proper divisors (765299).

8418157 is a wasteful number, since it uses less digits than its factorization.

8418157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765298.

The product of its digits is 8960, while the sum is 34.

The square root of 8418157 is about 2901.4060384579. The cubic root of 8418157 is about 203.4256319002.

Subtracting from 8418157 its reverse (7518148), we obtain a palindrome (900009).

It can be divided in two parts, 841 and 8157, that added together give a palindrome (8998).

The spelling of 8418157 in words is "eight million, four hundred eighteen thousand, one hundred fifty-seven".