9621145 has 8 divisors (see below), whose sum is σ = 11571840. Its totient is φ = 7679280.

The previous prime is 9621097. The next prime is 9621149. The reversal of 9621145 is 5411269.

9621145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9621145 - 2²¹ = 7523993 is a prime.

It is a super-2 number, since 2×9621145² = 185132862222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9621149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496 + ... + 4414.

It is an arithmetic number, because the mean of its divisors is an integer number (1446480).

Almost surely, 2^9621145 is an apocalyptic number.

It is an amenable number.

9621145 is a deficient number, since it is larger than the sum of its proper divisors (1950695).

9621145 is a wasteful number, since it uses less digits than its factorization.

9621145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415.

The product of its digits is 2160, while the sum is 28.

The square root of 9621145 is about 3101.7970597704. The cubic root of 9621145 is about 212.6876404904.

The spelling of 9621145 in words is "nine million, six hundred twenty-one thousand, one hundred forty-five".