3690870 has 32 divisors (see below), whose sum is σ = 9380448. Its totient is φ = 926208.

The previous prime is 3690857. The next prime is 3690871. The reversal of 3690870 is 780963.

It is a happy number.

3690870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3109 + ... + 4128.

It is an arithmetic number, because the mean of its divisors is an integer number (293139).

Almost surely, 2^3690870 is an apocalyptic number.

3690870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3690870 is an abundant number, since it is smaller than the sum of its proper divisors (5689578).

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

3690870 is a wasteful number, since it uses less digits than its factorization.

3690870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7264.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3690870 is about 1921.1637098384. The cubic root of 3690870 is about 154.5407146496.

It can be divided in two parts, 3690 and 870, that added together give a triangular number (4560 = T₉₅).

The spelling of 3690870 in words is "three million, six hundred ninety thousand, eight hundred seventy".