3621147 has 8 divisors (see below), whose sum is σ = 4861200. Its totient is φ = 2397600.

The previous prime is 3621139. The next prime is 3621157. The reversal of 3621147 is 7411263.

3621147 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 3621147 - 2³ = 3621139 is a prime.

It is a super-2 number, since 2×3621147² = 26225411191218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3621127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604 + ... + 4497.

It is an arithmetic number, because the mean of its divisors is an integer number (607650).

Almost surely, 2^3621147 is an apocalyptic number.

3621147 is a deficient number, since it is larger than the sum of its proper divisors (1240053).

3621147 is a wasteful number, since it uses less digits than its factorization.

3621147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253.

The product of its digits is 1008, while the sum is 24.

The square root of 3621147 is about 1902.9311600791. The cubic root of 3621147 is about 153.5613960739.

The spelling of 3621147 in words is "three million, six hundred twenty-one thousand, one hundred forty-seven".