3660969 has 8 divisors (see below), whose sum is σ = 5256832. Its totient is φ = 2252880.

The previous prime is 3660961. The next prime is 3661019. The reversal of 3660969 is 9690663.

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

It is not a de Polignac number, because 3660969 - 2³ = 3660961 is a prime.

It is a super-2 number, since 2×3660969² = 26805388037922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 93871 = 3660969 / (3 + 6 + 6 + 0 + 9 + 6 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46897 + ... + 46974.

It is an arithmetic number, because the mean of its divisors is an integer number (657104).

Almost surely, 2^3660969 is an apocalyptic number.

3660969 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3660969 is a deficient number, since it is larger than the sum of its proper divisors (1595863).

3660969 is a wasteful number, since it uses less digits than its factorization.

3660969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93887.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 3660969 is about 1913.3658824177. The cubic root of 3660969 is about 154.1222535160.

The spelling of 3660969 in words is "three million, six hundred sixty thousand, nine hundred sixty-nine".