201378 has 8 divisors (see below), whose sum is σ = 402768. Its totient is φ = 67124.

The previous prime is 201359. The next prime is 201389. The reversal of 201378 is 873102.

It is a sphenic number, since it is the product of 3 distinct primes.

201378 is an admirable number.

It is a Curzon number.

It is an unprimeable 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, 16776 + ... + 16787.

It is an arithmetic number, because the mean of its divisors is an integer number (50346).

2²⁰¹³⁷⁸ is an apocalyptic number.

201378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201378 is a wasteful number, since it uses less digits than its factorization.

201378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33568.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 201378 is about 448.7516016685. The cubic root of 201378 is about 58.6143573560.

The spelling of 201378 in words is "two hundred one thousand, three hundred seventy-eight".