802638 has 48 divisors (see below), whose sum is σ = 1915056. Its totient is φ = 241920.

The previous prime is 802609. The next prime is 802643. The reversal of 802638 is 836208.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13128 + ... + 13188.

It is an arithmetic number, because the mean of its divisors is an integer number (39897).

2⁸⁰²⁶³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957528).

802638 is an abundant number, since it is smaller than the sum of its proper divisors (1112418).

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

802638 is a wasteful number, since it uses less digits than its factorization.

802638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 802638 is about 895.9006641364. The cubic root of 802638 is about 92.9337023155.

The spelling of 802638 in words is "eight hundred two thousand, six hundred thirty-eight".