3653697 has 4 divisors (see below), whose sum is σ = 4871600. Its totient is φ = 2435796.

The previous prime is 3653687. The next prime is 3653701. The reversal of 3653697 is 7963563.

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 not a de Polignac number, because 3653697 - 2¹² = 3649601 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 6⁵ + 5⁹ + 3⁸ + 6⁸ + 9 + 7² .

It is a D-number.

It is a Duffinian number.

3653697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3653647) 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, 608947 + ... + 608952.

It is an arithmetic number, because the mean of its divisors is an integer number (1217900).

Almost surely, 2^3653697 is an apocalyptic number.

It is an amenable number.

3653697 is a deficient number, since it is larger than the sum of its proper divisors (1217903).

3653697 is a wasteful number, since it uses less digits than its factorization.

3653697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217902.

The product of its digits is 102060, while the sum is 39.

The square root of 3653697 is about 1911.4646216972. The cubic root of 3653697 is about 154.0201384807.

The spelling of 3653697 in words is "three million, six hundred fifty-three thousand, six hundred ninety-seven".