201832638 has 16 divisors (see below), whose sum is σ = 461331840. Its totient is φ = 57666456.

The previous prime is 201832601. The next prime is 201832651. The reversal of 201832638 is 836238102.

201832638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201832599 and 201832608.

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, 2402728 + ... + 2402811.

It is an arithmetic number, because the mean of its divisors is an integer number (28833240).

Almost surely, 2^201832638 is an apocalyptic number.

201832638 is an abundant number, since it is smaller than the sum of its proper divisors (259499202).

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

201832638 is a wasteful number, since it uses less digits than its factorization.

201832638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805551.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 201832638 is about 14206.7814088906. The cubic root of 201832638 is about 586.5843414239.

The spelling of 201832638 in words is "two hundred one million, eight hundred thirty-two thousand, six hundred thirty-eight".