3905070 has 128 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 829440.

The previous prime is 3905059. The next prime is 3905107. The reversal of 3905070 is 705093.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3905070.

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 63 ways as a sum of consecutive naturals, for example, 125955 + ... + 125985.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

Almost surely, 2^3905070 is an apocalyptic number.

3905070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3905070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806080).

3905070 is an abundant number, since it is smaller than the sum of its proper divisors (7707090).

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

3905070 is a wasteful number, since it uses less digits than its factorization.

3905070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 3905070 is about 1976.1249960466. The cubic root of 3905070 is about 157.4742714335.

It can be divided in two parts, 390 and 5070, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 3905070 in words is "three million, nine hundred five thousand, seventy".