3958630 has 32 divisors (see below), whose sum is σ = 7890624. Its totient is φ = 1420416.

The previous prime is 3958627. The next prime is 3958657. The reversal of 3958630 is 368593.

3958630 = T₃₁₆ + T₃₁₇ + ... + T₃₈₀.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 4399 + ... + 5221.

It is an arithmetic number, because the mean of its divisors is an integer number (246582).

Almost surely, 2^3958630 is an apocalyptic number.

3958630 is a deficient number, since it is larger than the sum of its proper divisors (3931994).

3958630 is a wasteful number, since it uses less digits than its factorization.

3958630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3958630 is about 1989.6306189843. The cubic root of 3958630 is about 158.1909511015.

It can be divided in two parts, 395 and 8630, that added together give a square (9025 = 95²).

The spelling of 3958630 in words is "three million, nine hundred fifty-eight thousand, six hundred thirty".