201439382 has 16 divisors (see below), whose sum is σ = 315744480. Its totient is φ = 96203712.

The previous prime is 201439373. The next prime is 201439397. The reversal of 201439382 is 283934102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34508 + ... + 39920.

It is an arithmetic number, because the mean of its divisors is an integer number (19734030).

Almost surely, 2^201439382 is an apocalyptic number.

201439382 is a deficient number, since it is larger than the sum of its proper divisors (114305098).

201439382 is a wasteful number, since it uses less digits than its factorization.

201439382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 201439382 is about 14192.9342279882. The cubic root of 201439382 is about 586.2031216238.

The spelling of 201439382 in words is "two hundred one million, four hundred thirty-nine thousand, three hundred eighty-two".