3689497 has 4 divisors (see below), whose sum is σ = 4216576. Its totient is φ = 3162420.

The previous prime is 3689479. The next prime is 3689501. The reversal of 3689497 is 7949863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3689497 - 2¹⁹ = 3165209 is a prime.

It is a super-2 number, since 2×3689497² = 27224776226018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263529 + ... + 263542.

It is an arithmetic number, because the mean of its divisors is an integer number (1054144).

Almost surely, 2^3689497 is an apocalyptic number.

It is an amenable number.

3689497 is a deficient number, since it is larger than the sum of its proper divisors (527079).

3689497 is an equidigital number, since it uses as much as digits as its factorization.

3689497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527078.

The product of its digits is 326592, while the sum is 46.

The square root of 3689497 is about 1920.8063410974. The cubic root of 3689497 is about 154.5215492751.

It can be divided in two parts, 3689 and 497, that added together give a triangular number (4186 = T₉₁).

The spelling of 3689497 in words is "three million, six hundred eighty-nine thousand, four hundred ninety-seven".