201484 has 12 divisors (see below), whose sum is σ = 373464. Its totient is φ = 94784.

The previous prime is 201473. The next prime is 201491. The reversal of 201484 is 484102.

201484 = T₃₆₅ + T₃₆₆ + T₃₆₇.

It is an unprimeable number.

201484 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (31122).

2²⁰¹⁴⁸⁴ is an apocalyptic number.

201484 is the 367-th centered triangular number.

It is an amenable number.

201484 is a deficient number, since it is larger than the sum of its proper divisors (171980).

201484 is a wasteful number, since it uses less digits than its factorization.

201484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 201484 is about 448.8696915587. The cubic root of 201484 is about 58.6246398961.

Adding to 201484 its reverse (484102), we get a palindrome (685586).

The spelling of 201484 in words is "two hundred one thousand, four hundred eighty-four".