3694531 has 8 divisors (see below), whose sum is σ = 3907280. Its totient is φ = 3483648.

The previous prime is 3694511. The next prime is 3694547. The reversal of 3694531 is 1354963.

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

It is a 11-Lehmer number, since φ(3694531) divides (3694531-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 3694531 - 2⁵ = 3694499 is a prime.

It is a super-2 number, since 2×3694531² = 27299118619922, which contains 22 as substring.

It is a Duffinian number.

3694531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3694493 and 3694502.

It is not an unprimeable number, because it can be changed into a prime (3694501) 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, 6115 + ... + 6691.

It is an arithmetic number, because the mean of its divisors is an integer number (488410).

Almost surely, 2^3694531 is an apocalyptic number.

3694531 is a deficient number, since it is larger than the sum of its proper divisors (212749).

3694531 is a wasteful number, since it uses less digits than its factorization.

3694531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its digits is 9720, while the sum is 31.

The square root of 3694531 is about 1922.1162816021. The cubic root of 3694531 is about 154.5917944397.

It can be divided in two parts, 3694 and 531, that added together give a square (4225 = 65²).

The spelling of 3694531 in words is "three million, six hundred ninety-four thousand, five hundred thirty-one".