9628401 has 4 divisors (see below), whose sum is σ = 12837872. Its totient is φ = 6418932.

The previous prime is 9628397. The next prime is 9628403. The reversal of 9628401 is 1048269.

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: 1048269 = 3 ⋅349423.

It is not a de Polignac number, because 9628401 - 2² = 9628397 is a prime.

It is a super-2 number, since 2×9628401² = 185412211633602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9628403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604731 + ... + 1604736.

It is an arithmetic number, because the mean of its divisors is an integer number (3209468).

Almost surely, 2^9628401 is an apocalyptic number.

It is an amenable number.

9628401 is a deficient number, since it is larger than the sum of its proper divisors (3209471).

9628401 is a wasteful number, since it uses less digits than its factorization.

9628401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209470.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 9628401 is about 3102.9664838667. The cubic root of 9628401 is about 212.7410947560.

The spelling of 9628401 in words is "nine million, six hundred twenty-eight thousand, four hundred one".