3621469 has 2 divisors, whose sum is σ = 3621470. Its totient is φ = 3621468.

The previous prime is 3621467. The next prime is 3621473. The reversal of 3621469 is 9641263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2544025 + 1077444 = 1595^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 3621469 - 2¹ = 3621467 is a prime.

It is a super-2 number, since 2×3621469² = 26230075435922, which contains 22 as substring.

Together with 3621467, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 3¹³ + 6⁷ + 2¹¹ + 1 + 4⁸ + 6⁸ + 9 .

It is a self number, because there is not a number n which added to its sum of digits gives 3621469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810734 + 1810735.

It is an arithmetic number, because the mean of its divisors is an integer number (1810735).

Almost surely, 2^3621469 is an apocalyptic number.

It is an amenable number.

3621469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621469 is an equidigital number, since it uses as much as digits as its factorization.

3621469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

The square root of 3621469 is about 1903.0157645169. The cubic root of 3621469 is about 153.5659476063.

The spelling of 3621469 in words is "three million, six hundred twenty-one thousand, four hundred sixty-nine".