3699321 has 4 divisors (see below), whose sum is σ = 4932432. Its totient is φ = 2466212.

The previous prime is 3699301. The next prime is 3699329. The reversal of 3699321 is 1239963.

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 3699321 - 2⁶ = 3699257 is a prime.

It is a super-2 number, since 2×3699321² = 27369951722082, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3699329) 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, 616551 + ... + 616556.

It is an arithmetic number, because the mean of its divisors is an integer number (1233108).

Almost surely, 2^3699321 is an apocalyptic number.

It is an amenable number.

3699321 is a deficient number, since it is larger than the sum of its proper divisors (1233111).

3699321 is a wasteful number, since it uses less digits than its factorization.

3699321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233110.

The product of its digits is 8748, while the sum is 33.

The square root of 3699321 is about 1923.3619004233. The cubic root of 3699321 is about 154.6585755734.

The spelling of 3699321 in words is "three million, six hundred ninety-nine thousand, three hundred twenty-one".