303406401 has 8 divisors (see below), whose sum is σ = 415475584. Its totient is φ = 196804080.

The previous prime is 303406399. The next prime is 303406403. The reversal of 303406401 is 104604303.

It is an interprime number because it is at equal distance from previous prime (303406399) and next prime (303406403).

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

It is not a de Polignac number, because 303406401 - 2¹ = 303406399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (303406403) 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, 1366585 + ... + 1366806.

It is an arithmetic number, because the mean of its divisors is an integer number (51934448).

Almost surely, 2^303406401 is an apocalyptic number.

It is an amenable number.

303406401 is a deficient number, since it is larger than the sum of its proper divisors (112069183).

303406401 is a wasteful number, since it uses less digits than its factorization.

303406401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733431.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 303406401 is about 17418.5648375519. The cubic root of 303406401 is about 671.9571503113.

The spelling of 303406401 in words is "three hundred three million, four hundred six thousand, four hundred one".