3630761 has 4 divisors (see below), whose sum is σ = 3676800. Its totient is φ = 3584724.

The previous prime is 3630749. The next prime is 3630769. The reversal of 3630761 is 1670363.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3630761 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3630761.

It is not an unprimeable number, because it can be changed into a prime (3630769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22901 + ... + 23058.

It is an arithmetic number, because the mean of its divisors is an integer number (919200).

Almost surely, 2^3630761 is an apocalyptic number.

It is an amenable number.

3630761 is a deficient number, since it is larger than the sum of its proper divisors (46039).

3630761 is an equidigital number, since it uses as much as digits as its factorization.

3630761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46038.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3630761 is about 1905.4555885667. The cubic root of 3630761 is about 153.6971757633.

The spelling of 3630761 in words is "three million, six hundred thirty thousand, seven hundred sixty-one".