3629391 has 8 divisors (see below), whose sum is σ = 4856880. Its totient is φ = 2410752.

The previous prime is 3629389. The next prime is 3629393. The reversal of 3629391 is 1939263.

It is an interprime number because it is at equal distance from previous prime (3629389) and next prime (3629393).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3629391 - 2¹ = 3629389 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3629393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (607110).

Almost surely, 2^3629391 is an apocalyptic number.

3629391 is a deficient number, since it is larger than the sum of its proper divisors (1227489).

3629391 is a wasteful number, since it uses less digits than its factorization.

3629391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425.

The product of its digits is 8748, while the sum is 33.

The square root of 3629391 is about 1905.0960605702. The cubic root of 3629391 is about 153.6778417430.

The spelling of 3629391 in words is "three million, six hundred twenty-nine thousand, three hundred ninety-one".