3621069 has 6 divisors (see below), whose sum is σ = 5230446. Its totient is φ = 2414040.

The previous prime is 3621067. The next prime is 3621083. The reversal of 3621069 is 9601263.

It is a happy number.

3621069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2518569 + 1102500 = 1587^2 + 1050^2 .

It is not a de Polignac number, because 3621069 - 2¹ = 3621067 is a prime.

It is a super-2 number, since 2×3621069² = 26224281405522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621067) 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 5 ways as a sum of consecutive naturals, for example, 201162 + ... + 201179.

It is an arithmetic number, because the mean of its divisors is an integer number (871741).

Almost surely, 2^3621069 is an apocalyptic number.

It is an amenable number.

3621069 is a deficient number, since it is larger than the sum of its proper divisors (1609377).

3621069 is a wasteful number, since it uses less digits than its factorization.

3621069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402347 (or 402344 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3621069 is about 1902.9106652704. The cubic root of 3621069 is about 153.5602934881.

It can be divided in two parts, 362 and 1069, that added together give a triangular number (1431 = T₅₃).

The spelling of 3621069 in words is "three million, six hundred twenty-one thousand, sixty-nine".