3628691 has 8 divisors (see below), whose sum is σ = 3996864. Its totient is φ = 3266920.

The previous prime is 3628679. The next prime is 3628697. The reversal of 3628691 is 1968263.

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

It is a cyclic number.

It is not a de Polignac number, because 3628691 - 2¹⁴ = 3612307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (499608).

Almost surely, 2^3628691 is an apocalyptic number.

3628691 is a deficient number, since it is larger than the sum of its proper divisors (368173).

3628691 is a wasteful number, since it uses less digits than its factorization.

3628691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201.

The product of its digits is 15552, while the sum is 35.

The square root of 3628691 is about 1904.9123339409. The cubic root of 3628691 is about 153.6679611684.

The spelling of 3628691 in words is "three million, six hundred twenty-eight thousand, six hundred ninety-one".