3622761 has 6 divisors (see below), whose sum is σ = 5232890. Its totient is φ = 2415168.

The previous prime is 3622747. The next prime is 3622763. The reversal of 3622761 is 1672263.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3493161 + 129600 = 1869^2 + 360^2 .

It is not a de Polignac number, because 3622761 - 2¹¹ = 3620713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3622763) 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 5 ways as a sum of consecutive naturals, for example, 201256 + ... + 201273.

Almost surely, 2^3622761 is an apocalyptic number.

It is an amenable number.

3622761 is a deficient number, since it is larger than the sum of its proper divisors (1610129).

3622761 is a wasteful number, since it uses less digits than its factorization.

3622761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402535 (or 402532 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3622761 is about 1903.3551954378. The cubic root of 3622761 is about 153.5842075642.

The spelling of 3622761 in words is "three million, six hundred twenty-two thousand, seven hundred sixty-one".