3870135 has 24 divisors (see below), whose sum is σ = 7104240. Its totient is φ = 1942272.

The previous prime is 3870077. The next prime is 3870149. The reversal of 3870135 is 5310783.

It is not a de Polignac number, because 3870135 - 2⁹ = 3869623 is a prime.

3870135 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3870099 and 3870108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1765 + ... + 3294.

It is an arithmetic number, because the mean of its divisors is an integer number (296010).

Almost surely, 2^3870135 is an apocalyptic number.

3870135 is a deficient number, since it is larger than the sum of its proper divisors (3234105).

3870135 is a wasteful number, since it uses less digits than its factorization.

3870135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3870135 is about 1967.2658691697. The cubic root of 3870135 is about 157.0032725460.

It can be divided in two parts, 3870 and 135, that added together give a triangular number (4005 = T₈₉).

The spelling of 3870135 in words is "three million, eight hundred seventy thousand, one hundred thirty-five".