3420320401 has 4 divisors (see below), whose sum is σ = 3420539392. Its totient is φ = 3420101412.

The previous prime is 3420320399. The next prime is 3420320411. The reversal of 3420320401 is 1040230243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3420320401 - 2¹ = 3420320399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420320411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84105 + ... + 117958.

It is an arithmetic number, because the mean of its divisors is an integer number (855134848).

Almost surely, 2^3420320401 is an apocalyptic number.

It is an amenable number.

3420320401 is a deficient number, since it is larger than the sum of its proper divisors (218991).

3420320401 is a wasteful number, since it uses less digits than its factorization.

3420320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218990.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3420320401 is about 58483.5053754475. The cubic root of 3420320401 is about 1506.6843026353.

Adding to 3420320401 its reverse (1040230243), we get a palindrome (4460550644).

The spelling of 3420320401 in words is "three billion, four hundred twenty million, three hundred twenty thousand, four hundred one".