320433401 has 8 divisors (see below), whose sum is σ = 338599680. Its totient is φ = 302620032.

The previous prime is 320433353. The next prime is 320433419. The reversal of 320433401 is 104334023.

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 320433401 - 2¹⁰ = 320432377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320433481) 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, 86360 + ... + 89993.

It is an arithmetic number, because the mean of its divisors is an integer number (42324960).

Almost surely, 2^320433401 is an apocalyptic number.

It is an amenable number.

320433401 is a deficient number, since it is larger than the sum of its proper divisors (18166279).

320433401 is a wasteful number, since it uses less digits than its factorization.

320433401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176455.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320433401 is about 17900.6536472834. The cubic root of 320433401 is about 684.2990332365.

Adding to 320433401 its reverse (104334023), we get a palindrome (424767424).

The spelling of 320433401 in words is "three hundred twenty million, four hundred thirty-three thousand, four hundred one".