3905630 has 16 divisors (see below), whose sum is σ = 7336224. Its totient is φ = 1494240.

The previous prime is 3905599. The next prime is 3905641. The reversal of 3905630 is 365093.

3905630 = T₂₀₁ + T₂₀₂ + ... + T₃₁₅.

It is a self number, because there is not a number n which added to its sum of digits gives 3905630.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8261 + ... + 8720.

It is an arithmetic number, because the mean of its divisors is an integer number (458514).

Almost surely, 2^3905630 is an apocalyptic number.

3905630 is a deficient number, since it is larger than the sum of its proper divisors (3430594).

3905630 is a wasteful number, since it uses less digits than its factorization.

3905630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17011.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 3905630 is about 1976.2666824090. The cubic root of 3905630 is about 157.4817985181.

The spelling of 3905630 in words is "three million, nine hundred five thousand, six hundred thirty".