3621430 has 8 divisors (see below), whose sum is σ = 6518592. Its totient is φ = 1448568.

The previous prime is 3621403. The next prime is 3621461. The reversal of 3621430 is 341263.

3621430 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 a super-2 number, since 2×3621430² = 26229510489800, which contains 22 as substring.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 3621398 and 3621407.

It is a congruent number.

It is an unprimeable number.

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, 181062 + ... + 181081.

It is an arithmetic number, because the mean of its divisors is an integer number (814824).

Almost surely, 2^3621430 is an apocalyptic number.

3621430 is a deficient number, since it is larger than the sum of its proper divisors (2897162).

3621430 is a wasteful number, since it uses less digits than its factorization.

3621430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362150.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3621430 is about 1903.0055175958. The cubic root of 3621430 is about 153.5653963481.

Adding to 3621430 its reverse (341263), we get a palindrome (3962693).

The spelling of 3621430 in words is "three million, six hundred twenty-one thousand, four hundred thirty".