8157044 has 24 divisors (see below), whose sum is σ = 16383360. Its totient is φ = 3481056.

The previous prime is 8157043. The next prime is 8157047. The reversal of 8157044 is 4407518.

It is a junction number, because it is equal to n+sod(n) for n = 8156998 and 8157016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8417 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (682640).

Almost surely, 2^8157044 is an apocalyptic number.

It is an amenable number.

8157044 is an abundant number, since it is smaller than the sum of its proper divisors (8226316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8157044 is a wasteful number, since it uses less digits than its factorization.

8157044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 8157044 is about 2856.0539210596. The cubic root of 8157044 is about 201.3002287085.

The spelling of 8157044 in words is "eight million, one hundred fifty-seven thousand, forty-four".