3905970 has 16 divisors (see below), whose sum is σ = 9374400. Its totient is φ = 1041584.

The previous prime is 3905953. The next prime is 3905987. The reversal of 3905970 is 795093.

It is an interprime number because it is at equal distance from previous prime (3905953) and next prime (3905987).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 65070 + ... + 65129.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^3905970 is an apocalyptic number.

3905970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3905970 is an abundant number, since it is smaller than the sum of its proper divisors (5468430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3905970 is a wasteful number, since it uses less digits than its factorization.

3905970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130209.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 3905970 is about 1976.3527013162. The cubic root of 3905970 is about 157.4863681827.

The spelling of 3905970 in words is "three million, nine hundred five thousand, nine hundred seventy".