3652943 has 8 divisors (see below), whose sum is σ = 4420512. Its totient is φ = 2946816.

The previous prime is 3652939. The next prime is 3652949. The reversal of 3652943 is 3492563.

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

It is a cyclic number.

It is not a de Polignac number, because 3652943 - 2² = 3652939 is a prime.

It is a super-2 number, since 2×3652943² = 26687985122498, 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652949) 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, 15230 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (552564).

Almost surely, 2^3652943 is an apocalyptic number.

3652943 is a deficient number, since it is larger than the sum of its proper divisors (767569).

3652943 is a wasteful number, since it uses less digits than its factorization.

3652943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30721.

The product of its digits is 19440, while the sum is 32.

The square root of 3652943 is about 1911.2673805619. The cubic root of 3652943 is about 154.0095428955.

The spelling of 3652943 in words is "three million, six hundred fifty-two thousand, nine hundred forty-three".