884638 has 4 divisors (see below), whose sum is σ = 1326960. Its totient is φ = 442318.

The previous prime is 884617. The next prime is 884651. The reversal of 884638 is 836488.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 884597 and 884606.

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, 221158 + ... + 221161.

It is an arithmetic number, because the mean of its divisors is an integer number (331740).

2⁸⁸⁴⁶³⁸ is an apocalyptic number.

884638 is a deficient number, since it is larger than the sum of its proper divisors (442322).

884638 is a wasteful number, since it uses less digits than its factorization.

884638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442321.

The product of its digits is 36864, while the sum is 37.

The square root of 884638 is about 940.5519656032. The cubic root of 884638 is about 95.9964553089.

The spelling of 884638 in words is "eight hundred eighty-four thousand, six hundred thirty-eight".