8157893 has 12 divisors (see below), whose sum is σ = 8766624. Its totient is φ = 7576800.

The previous prime is 8157869. The next prime is 8157949. The reversal of 8157893 is 3987518.

It is a happy number.

It is not a de Polignac number, because 8157893 - 2¹² = 8153797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8157893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38558 + ... + 38768.

It is an arithmetic number, because the mean of its divisors is an integer number (730552).

Almost surely, 2^8157893 is an apocalyptic number.

It is an amenable number.

8157893 is a deficient number, since it is larger than the sum of its proper divisors (608731).

8157893 is a wasteful number, since it uses less digits than its factorization.

8157893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 275 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 8157893 is about 2856.2025488400. The cubic root of 8157893 is about 201.3072123644.

The spelling of 8157893 in words is "eight million, one hundred fifty-seven thousand, eight hundred ninety-three".