3625843 has 4 divisors (see below), whose sum is σ = 3904768. Its totient is φ = 3346920.

The previous prime is 3625829. The next prime is 3625849. The reversal of 3625843 is 3485263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3485263 = 397 ⋅8779.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3625843 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3625849) 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, 139443 + ... + 139468.

It is an arithmetic number, because the mean of its divisors is an integer number (976192).

Almost surely, 2^3625843 is an apocalyptic number.

3625843 is a deficient number, since it is larger than the sum of its proper divisors (278925).

3625843 is a wasteful number, since it uses less digits than its factorization.

3625843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278924.

The product of its digits is 17280, while the sum is 31.

The square root of 3625843 is about 1904.1646462425. The cubic root of 3625843 is about 153.6277482376.

The spelling of 3625843 in words is "three million, six hundred twenty-five thousand, eight hundred forty-three".