3320401 has 4 divisors (see below), whose sum is σ = 3794752. Its totient is φ = 2846052.

The previous prime is 3320381. The next prime is 3320431. The reversal of 3320401 is 1040233.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1040233 = 61 ⋅17053.

It is a cyclic number.

It is not a de Polignac number, because 3320401 - 2¹³ = 3312209 is a prime.

It is a super-2 number, since 2×3320401² = 22050125601602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237165 + ... + 237178.

It is an arithmetic number, because the mean of its divisors is an integer number (948688).

Almost surely, 2^3320401 is an apocalyptic number.

It is an amenable number.

3320401 is a deficient number, since it is larger than the sum of its proper divisors (474351).

3320401 is an equidigital number, since it uses as much as digits as its factorization.

3320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474350.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3320401 is about 1822.1967511770. The cubic root of 3320401 is about 149.1867244475.

Adding to 3320401 its reverse (1040233), we get a palindrome (4360634).

It can be divided in two parts, 3320 and 401, that added together give a square (3721 = 61²).

The spelling of 3320401 in words is "three million, three hundred twenty thousand, four hundred one".