3629857 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 2561280.

The previous prime is 3629831. The next prime is 3629863. The reversal of 3629857 is 7589263.

3629857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3629857 - 2⁷ = 3629729 is a prime.

It is a Duffinian number.

3629857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3629867) 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 31 ways as a sum of consecutive naturals, for example, 61494 + ... + 61552.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

Almost surely, 2^3629857 is an apocalyptic number.

It is an amenable number.

3629857 is a deficient number, since it is larger than the sum of its proper divisors (1346783).

3629857 is a wasteful number, since it uses less digits than its factorization.

3629857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 90720, while the sum is 40.

The square root of 3629857 is about 1905.2183601887. The cubic root of 3629857 is about 153.6844186783.

The spelling of 3629857 in words is "three million, six hundred twenty-nine thousand, eight hundred fifty-seven".