3652401 has 4 divisors (see below), whose sum is σ = 4869872. Its totient is φ = 2434932.

The previous prime is 3652391. The next prime is 3652421. The reversal of 3652401 is 1042563.

It is a happy number.

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 not a de Polignac number, because 3652401 - 2²¹ = 1555249 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3652421) 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, 608731 + ... + 608736.

It is an arithmetic number, because the mean of its divisors is an integer number (1217468).

Almost surely, 2^3652401 is an apocalyptic number.

It is an amenable number.

3652401 is a deficient number, since it is larger than the sum of its proper divisors (1217471).

3652401 is a wasteful number, since it uses less digits than its factorization.

3652401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217470.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3652401 is about 1911.1255845705. The cubic root of 3652401 is about 154.0019255395.

Adding to 3652401 its reverse (1042563), we get a palindrome (4694964).

The spelling of 3652401 in words is "three million, six hundred fifty-two thousand, four hundred one".