3630043 has 4 divisors (see below), whose sum is σ = 3670920. Its totient is φ = 3589168.

The previous prime is 3630037. The next prime is 3630047. The reversal of 3630043 is 3400363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3400363 = 331 ⋅10273.

It is a cyclic number.

It is not a de Polignac number, because 3630043 - 2¹³ = 3621851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3630043.

It is not an unprimeable number, because it can be changed into a prime (3630047) 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, 20305 + ... + 20482.

It is an arithmetic number, because the mean of its divisors is an integer number (917730).

Almost surely, 2^3630043 is an apocalyptic number.

3630043 is a deficient number, since it is larger than the sum of its proper divisors (40877).

3630043 is an equidigital number, since it uses as much as digits as its factorization.

3630043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40876.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 3630043 is about 1905.2671728658. The cubic root of 3630043 is about 153.6870436498.

The spelling of 3630043 in words is "three million, six hundred thirty thousand, forty-three".