8574638 has 4 divisors (see below), whose sum is σ = 12861960. Its totient is φ = 4287318.

The previous prime is 8574623. The next prime is 8574649. The reversal of 8574638 is 8364758.

It is a happy number.

8574638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8364758 = 2 ⋅4182379.

It is a junction number, because it is equal to n+sod(n) for n = 8574595 and 8574604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143658 + ... + 2143661.

It is an arithmetic number, because the mean of its divisors is an integer number (3215490).

Almost surely, 2^8574638 is an apocalyptic number.

8574638 is a deficient number, since it is larger than the sum of its proper divisors (4287322).

8574638 is a wasteful number, since it uses less digits than its factorization.

8574638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287321.

The product of its digits is 161280, while the sum is 41.

The square root of 8574638 is about 2928.2482818231. The cubic root of 8574638 is about 204.6783613774.

The spelling of 8574638 in words is "eight million, five hundred seventy-four thousand, six hundred thirty-eight".