955638 has 40 divisors (see below), whose sum is σ = 2273832. Its totient is φ = 298944.

The previous prime is 955613. The next prime is 955649. The reversal of 955638 is 836559.

955638 is a `hidden beast` number, since 95 + 563 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

955638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2581 + ... + 2927.

2⁹⁵⁵⁶³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 955638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136916).

955638 is an abundant number, since it is smaller than the sum of its proper divisors (1318194).

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

955638 is a wasteful number, since it uses less digits than its factorization.

955638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 369 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 955638 is about 977.5673889814. The cubic root of 955638 is about 98.4988447561.

The spelling of 955638 in words is "nine hundred fifty-five thousand, six hundred thirty-eight".