3650969 has 4 divisors (see below), whose sum is σ = 4172544. Its totient is φ = 3129396.

The previous prime is 3650957. The next prime is 3650989. The reversal of 3650969 is 9690563.

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 3650969 - 2⁴ = 3650953 is a prime.

It is a super-2 number, since 2×3650969² = 26659149277922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3650929) 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, 260777 + ... + 260790.

It is an arithmetic number, because the mean of its divisors is an integer number (1043136).

Almost surely, 2^3650969 is an apocalyptic number.

It is an amenable number.

3650969 is a deficient number, since it is larger than the sum of its proper divisors (521575).

3650969 is an equidigital number, since it uses as much as digits as its factorization.

3650969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521574.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 3650969 is about 1910.7508995157. The cubic root of 3650969 is about 153.9817963528.

The spelling of 3650969 in words is "three million, six hundred fifty thousand, nine hundred sixty-nine".