201387982 has 16 divisors (see below), whose sum is σ = 311440752. Its totient is φ = 97606080.

The previous prime is 201387961. The next prime is 201388037. The reversal of 201387982 is 289783102.

201387982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5053 + ... + 20695.

It is an arithmetic number, because the mean of its divisors is an integer number (19465047).

Almost surely, 2^201387982 is an apocalyptic number.

201387982 is a deficient number, since it is larger than the sum of its proper divisors (110052770).

201387982 is a wasteful number, since it uses less digits than its factorization.

201387982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 201387982 is about 14191.1233522932. The cubic root of 201387982 is about 586.1532581474.

The spelling of 201387982 in words is "two hundred one million, three hundred eighty-seven thousand, nine hundred eighty-two".