3641969 has 8 divisors (see below), whose sum is σ = 3720960. Its totient is φ = 3564000.

The previous prime is 3641951. The next prime is 3641987. The reversal of 3641969 is 9691463.

It is an interprime number because it is at equal distance from previous prime (3641951) and next prime (3641987).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3641969 is a prime.

It is a super-2 number, since 2×3641969² = 26527876393922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3641999) 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, 13304 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (465120).

Almost surely, 2^3641969 is an apocalyptic number.

It is an amenable number.

3641969 is a deficient number, since it is larger than the sum of its proper divisors (78991).

3641969 is a wasteful number, since it uses less digits than its factorization.

3641969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 34992, while the sum is 38.

The square root of 3641969 is about 1908.3943512807. The cubic root of 3641969 is about 153.8551654529.

The spelling of 3641969 in words is "three million, six hundred forty-one thousand, nine hundred sixty-nine".