3621427 has 4 divisors (see below), whose sum is σ = 3632040. Its totient is φ = 3610816.

The previous prime is 3621403. The next prime is 3621461. The reversal of 3621427 is 7241263.

3621427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621427 is a prime.

It is a super-2 number, since 2×3621427² = 26229467032658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621467) 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 3 ways as a sum of consecutive naturals, for example, 4777 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (908010).

Almost surely, 2^3621427 is an apocalyptic number.

3621427 is a deficient number, since it is larger than the sum of its proper divisors (10613).

3621427 is a wasteful number, since it uses less digits than its factorization.

3621427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612.

The product of its digits is 2016, while the sum is 25.

The square root of 3621427 is about 1903.0047293688. The cubic root of 3621427 is about 153.5653539434.

The spelling of 3621427 in words is "three million, six hundred twenty-one thousand, four hundred twenty-seven".