900201982 has 16 divisors (see below), whose sum is σ = 1369903392. Its totient is φ = 443577600.

The previous prime is 900201959. The next prime is 900201983. The reversal of 900201982 is 289102009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900201983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351607 + ... + 354157.

It is an arithmetic number, because the mean of its divisors is an integer number (85618962).

Almost surely, 2^900201982 is an apocalyptic number.

900201982 is a deficient number, since it is larger than the sum of its proper divisors (469701410).

900201982 is a wasteful number, since it uses less digits than its factorization.

900201982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 900201982 is about 30003.3661778141. The cubic root of 900201982 is about 965.5616056761.

The spelling of 900201982 in words is "nine hundred million, two hundred one thousand, nine hundred eighty-two".