3916629 has 6 divisors (see below), whose sum is σ = 5657366. Its totient is φ = 2611080.

The previous prime is 3916621. The next prime is 3916631. The reversal of 3916629 is 9266193.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 8100 = 1977^2 + 90^2 .

It is not a de Polignac number, because 3916629 - 2³ = 3916621 is a prime.

It is a Duffinian number.

3916629 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3916593 and 3916602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916621) 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, 217582 + ... + 217599.

Almost surely, 2^3916629 is an apocalyptic number.

It is an amenable number.

3916629 is a deficient number, since it is larger than the sum of its proper divisors (1740737).

3916629 is a wasteful number, since it uses less digits than its factorization.

3916629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435187 (or 435184 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3916629 is about 1979.0474981667. The cubic root of 3916629 is about 157.6294929000.

The spelling of 3916629 in words is "three million, nine hundred sixteen thousand, six hundred twenty-nine".