3629985 has 16 divisors (see below), whose sum is σ = 5853120. Its totient is φ = 1920960.

The previous prime is 3629953. The next prime is 3629987. The reversal of 3629985 is 5899263.

It is not a de Polignac number, because 3629985 - 2⁵ = 3629953 is a prime.

It is a super-2 number, since 2×3629985² = 26353582200450, 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 (3629987) 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, 1215 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (365820).

Almost surely, 2^3629985 is an apocalyptic number.

It is an amenable number.

3629985 is a deficient number, since it is larger than the sum of its proper divisors (2223135).

3629985 is a wasteful number, since it uses less digits than its factorization.

3629985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its digits is 116640, while the sum is 42.

The square root of 3629985 is about 1905.2519518426. The cubic root of 3629985 is about 153.6862251199.

The spelling of 3629985 in words is "three million, six hundred twenty-nine thousand, nine hundred eighty-five".