8457630 has 16 divisors (see below), whose sum is σ = 20298384. Its totient is φ = 2255360.

The previous prime is 8457623. The next prime is 8457643. The reversal of 8457630 is 367548.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8457591 and 8457600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140931 + ... + 140990.

It is an arithmetic number, because the mean of its divisors is an integer number (1268649).

Almost surely, 2^8457630 is an apocalyptic number.

8457630 is an abundant number, since it is smaller than the sum of its proper divisors (11840754).

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

8457630 is a wasteful number, since it uses less digits than its factorization.

8457630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281931.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 8457630 is about 2908.2004745203. The cubic root of 8457630 is about 203.7430925933.

The spelling of 8457630 in words is "eight million, four hundred fifty-seven thousand, six hundred thirty".