3627645 has 16 divisors (see below), whose sum is σ = 6633600. Its totient is φ = 1658304.

The previous prime is 3627641. The next prime is 3627649. The reversal of 3627645 is 5467263.

It is an interprime number because it is at equal distance from previous prime (3627641) and next prime (3627649).

It is not a de Polignac number, because 3627645 - 2² = 3627641 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 6⁸ + 2¹⁷ + 7⁶ + 6⁸ + 4 + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3627641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17170 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (414600).

Almost surely, 2^3627645 is an apocalyptic number.

3627645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3627645 is a deficient number, since it is larger than the sum of its proper divisors (3005955).

3627645 is a wasteful number, since it uses less digits than its factorization.

3627645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34564.

The product of its digits is 30240, while the sum is 33.

The square root of 3627645 is about 1904.6377608354. The cubic root of 3627645 is about 153.6531943985.

The spelling of 3627645 in words is "three million, six hundred twenty-seven thousand, six hundred forty-five".