201678339 has 8 divisors (see below), whose sum is σ = 268993872. Its totient is φ = 134407520.

The previous prime is 201678319. The next prime is 201678349. The reversal of 201678339 is 933876102.

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

It is a cyclic number.

It is not a de Polignac number, because 201678339 - 2⁵ = 201678307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201678297 and 201678306.

It is not an unprimeable number, because it can be changed into a prime (201678319) by changing a digit.

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, 1357 + ... + 20129.

It is an arithmetic number, because the mean of its divisors is an integer number (33624234).

Almost surely, 2^201678339 is an apocalyptic number.

201678339 is a deficient number, since it is larger than the sum of its proper divisors (67315533).

201678339 is a wasteful number, since it uses less digits than its factorization.

201678339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22357.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 201678339 is about 14201.3499006256. The cubic root of 201678339 is about 586.4348240605.

The spelling of 201678339 in words is "two hundred one million, six hundred seventy-eight thousand, three hundred thirty-nine".