3639275 has 12 divisors (see below), whose sum is σ = 4778712. Its totient is φ = 2739840.

The previous prime is 3639217. The next prime is 3639277. The reversal of 3639275 is 5729363.

It is not a de Polignac number, because 3639275 - 2⁶ = 3639211 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3 + 6⁵ + 3¹³ + 9⁵ + 2¹³ + 7⁵ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3639277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3857 + ... + 4706.

It is an arithmetic number, because the mean of its divisors is an integer number (398226).

Almost surely, 2^3639275 is an apocalyptic number.

3639275 is a deficient number, since it is larger than the sum of its proper divisors (1139437).

3639275 is a wasteful number, since it uses less digits than its factorization.

3639275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590 (or 8585 counting only the distinct ones).

The product of its digits is 34020, while the sum is 35.

The square root of 3639275 is about 1907.6883917454. The cubic root of 3639275 is about 153.8172200395.

The spelling of 3639275 in words is "three million, six hundred thirty-nine thousand, two hundred seventy-five".