9621401 has 8 divisors (see below), whose sum is σ = 9836064. Its totient is φ = 9408960.

The previous prime is 9621397. The next prime is 9621413. The reversal of 9621401 is 1041269.

It is a happy number.

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 9621401 - 2² = 9621397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9621481) 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 7 ways as a sum of consecutive naturals, for example, 10481 + ... + 11361.

It is an arithmetic number, because the mean of its divisors is an integer number (1229508).

Almost surely, 2^9621401 is an apocalyptic number.

It is an amenable number.

9621401 is a deficient number, since it is larger than the sum of its proper divisors (214663).

9621401 is a wasteful number, since it uses less digits than its factorization.

9621401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 9621401 is about 3101.8383258964. The cubic root of 9621401 is about 212.6895268755.

The spelling of 9621401 in words is "nine million, six hundred twenty-one thousand, four hundred one".