8936642 has 16 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 3749520.

The previous prime is 8936623. The next prime is 8936651. The reversal of 8936642 is 2466398.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 9 + 3¹² + 6⁵ + 6⁵ + 4⁵ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 8936596 and 8936605.

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, 15338 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (984312).

Almost surely, 2^8936642 is an apocalyptic number.

8936642 is a deficient number, since it is larger than the sum of its proper divisors (6812350).

8936642 is a wasteful number, since it uses less digits than its factorization.

8936642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31273.

The product of its digits is 62208, while the sum is 38.

The square root of 8936642 is about 2989.4216832023. The cubic root of 8936642 is about 207.5191214778.

The spelling of 8936642 in words is "eight million, nine hundred thirty-six thousand, six hundred forty-two".