3763621 has 2 divisors, whose sum is σ = 3763622. Its totient is φ = 3763620.

The previous prime is 3763609. The next prime is 3763633. The reversal of 3763621 is 1263673.

It is a balanced prime because it is at equal distance from previous prime (3763609) and next prime (3763633).

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 1718721 = 1430^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 3763621 - 2⁵ = 3763589 is a prime.

It is a super-3 number, since 3×3763621³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3763621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3763601) 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 as a sum of consecutive naturals, namely, 1881810 + 1881811.

It is an arithmetic number, because the mean of its divisors is an integer number (1881811).

Almost surely, 2^3763621 is an apocalyptic number.

It is an amenable number.

3763621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3763621 is an equidigital number, since it uses as much as digits as its factorization.

3763621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 3763621 is about 1940.0054123636. The cubic root of 3763621 is about 155.5495029580.

The spelling of 3763621 in words is "three million, seven hundred sixty-three thousand, six hundred twenty-one".