3621423 has 8 divisors (see below), whose sum is σ = 5200048. Its totient is φ = 2228544.

The previous prime is 3621403. The next prime is 3621461. The reversal of 3621423 is 3241263.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-3621423 is a prime.

It is a super-2 number, since 2×3621423² = 26229409089858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3621423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621403) 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, 46390 + ... + 46467.

It is an arithmetic number, because the mean of its divisors is an integer number (650006).

Almost surely, 2^3621423 is an apocalyptic number.

3621423 is a deficient number, since it is larger than the sum of its proper divisors (1578625).

3621423 is a wasteful number, since it uses less digits than its factorization.

3621423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92873.

The product of its digits is 864, while the sum is 21.

The square root of 3621423 is about 1903.0036783990. The cubic root of 3621423 is about 153.5652974039.

Adding to 3621423 its reverse (3241263), we get a palindrome (6862686).

The spelling of 3621423 in words is "three million, six hundred twenty-one thousand, four hundred twenty-three".