9406638 has 16 divisors (see below), whose sum is σ = 20903760. Its totient is φ = 3135528.

The previous prime is 9406619. The next prime is 9406651. The reversal of 9406638 is 8366049.

9406638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 87045 + ... + 87152.

It is an arithmetic number, because the mean of its divisors is an integer number (1306485).

Almost surely, 2^9406638 is an apocalyptic number.

9406638 is an abundant number, since it is smaller than the sum of its proper divisors (11497122).

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

9406638 is a wasteful number, since it uses less digits than its factorization.

9406638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174208 (or 174202 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9406638 is about 3067.0242907418. The cubic root of 9406638 is about 211.0950957585.

The spelling of 9406638 in words is "nine million, four hundred six thousand, six hundred thirty-eight".