4132638 has 12 divisors (see below), whose sum is σ = 8954088. Its totient is φ = 1377540.

The previous prime is 4132637. The next prime is 4132643. The reversal of 4132638 is 8362314.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4132637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114778 + ... + 114813.

It is an arithmetic number, because the mean of its divisors is an integer number (746174).

Almost surely, 2^4132638 is an apocalyptic number.

4132638 is an abundant number, since it is smaller than the sum of its proper divisors (4821450).

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

4132638 is a wasteful number, since it uses less digits than its factorization.

4132638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229599 (or 229596 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4132638 is about 2032.8890771510. The cubic root of 4132638 is about 160.4756419203.

The spelling of 4132638 in words is "four million, one hundred thirty-two thousand, six hundred thirty-eight".