3428401 has 4 divisors (see below), whose sum is σ = 3454704. Its totient is φ = 3402100.

The previous prime is 3428389. The next prime is 3428413. The reversal of 3428401 is 1048243.

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: 1048243 = 7 ⋅149749.

It is an interprime number because it is at equal distance from previous prime (3428389) and next prime (3428413).

It is a cyclic number.

It is not a de Polignac number, because 3428401 - 2¹⁵ = 3395633 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3428401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3428471) 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, 12955 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (863676).

Almost surely, 2^3428401 is an apocalyptic number.

It is an amenable number.

3428401 is a deficient number, since it is larger than the sum of its proper divisors (26303).

3428401 is a wasteful number, since it uses less digits than its factorization.

3428401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26302.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 3428401 is about 1851.5941779991. The cubic root of 3428401 is about 150.7869896864.

The spelling of 3428401 in words is "three million, four hundred twenty-eight thousand, four hundred one".