201587628 has 24 divisors (see below), whose sum is σ = 513132480. Its totient is φ = 61087120.

The previous prime is 201587627. The next prime is 201587641. The reversal of 201587628 is 826785102.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (201587621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763458 + ... + 763721.

It is an arithmetic number, because the mean of its divisors is an integer number (21380520).

Almost surely, 2^201587628 is an apocalyptic number.

It is an amenable number.

201587628 is an abundant number, since it is smaller than the sum of its proper divisors (311544852).

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

201587628 is a wasteful number, since it uses less digits than its factorization.

201587628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527197 (or 1527195 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 201587628 is about 14198.1557957363. The cubic root of 201587628 is about 586.3468885438.

The spelling of 201587628 in words is "two hundred one million, five hundred eighty-seven thousand, six hundred twenty-eight".