303901 has 8 divisors (see below), whose sum is σ = 332024. Its totient is φ = 276480.

The previous prime is 303889. The next prime is 303907. The reversal of 303901 is 109303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 276676 = 165^2 + 526^2 .

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

It is a 6-Lehmer number, since φ(303901) divides (303901-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 303901 - 2⁹ = 303389 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (41503).

2³⁰³⁹⁰¹ is an apocalyptic number.

It is an amenable number.

303901 is a deficient number, since it is larger than the sum of its proper divisors (28123).

303901 is a wasteful number, since it uses less digits than its factorization.

303901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 303901 is about 551.2721650873. The cubic root of 303901 is about 67.2322083180.

The spelling of 303901 in words is "three hundred three thousand, nine hundred one".