201043998 has 32 divisors (see below), whose sum is σ = 447290400. Its totient is φ = 66935808.

The previous prime is 201043993. The next prime is 201044003. The reversal of 201043998 is 899340102.

It is an interprime number because it is at equal distance from previous prime (201043993) and next prime (201044003).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201043991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60648 + ... + 63876.

It is an arithmetic number, because the mean of its divisors is an integer number (13977825).

Almost surely, 2^201043998 is an apocalyptic number.

201043998 is an abundant number, since it is smaller than the sum of its proper divisors (246246402).

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

201043998 is a wasteful number, since it uses less digits than its factorization.

201043998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 201043998 is about 14178.9984836730. The cubic root of 201043998 is about 585.8193384385.

The spelling of 201043998 in words is "two hundred one million, forty-three thousand, nine hundred ninety-eight".