3694635 has 48 divisors (see below), whose sum is σ = 7540416. Its totient is φ = 1638144.

The previous prime is 3694631. The next prime is 3694637. The reversal of 3694635 is 5364963.

It is not a de Polignac number, because 3694635 - 2² = 3694631 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

3694635 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3694635.

It is not an unprimeable number, because it can be changed into a prime (3694631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11497 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (157092).

Almost surely, 2^3694635 is an apocalyptic number.

3694635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3694635 is an abundant number, since it is smaller than the sum of its proper divisors (3845781).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3694635 is a wasteful number, since it uses less digits than its factorization.

3694635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 369 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 3694635 is about 1922.1433349259. The cubic root of 3694635 is about 154.5932449978.

The spelling of 3694635 in words is "three million, six hundred ninety-four thousand, six hundred thirty-five".