201001598 has 32 divisors (see below), whose sum is σ = 357315840. Its totient is φ = 83010240.

The previous prime is 201001597. The next prime is 201001609. The reversal of 201001598 is 895100102.

It is a happy number.

201001598 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45533 + ... + 49751.

It is an arithmetic number, because the mean of its divisors is an integer number (11166120).

Almost surely, 2^201001598 is an apocalyptic number.

201001598 is a deficient number, since it is larger than the sum of its proper divisors (156314242).

201001598 is a wasteful number, since it uses less digits than its factorization.

201001598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 201001598 is about 14177.5032357605. The cubic root of 201001598 is about 585.7781526175.

The spelling of 201001598 in words is "two hundred one million, one thousand, five hundred ninety-eight".