3870723 has 8 divisors (see below), whose sum is σ = 5172928. Its totient is φ = 2574504.

The previous prime is 3870721. The next prime is 3870751. The reversal of 3870723 is 3270783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3870723 - 2¹ = 3870721 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (646616).

Almost surely, 2^3870723 is an apocalyptic number.

3870723 is a deficient number, since it is larger than the sum of its proper divisors (1302205).

3870723 is a wasteful number, since it uses less digits than its factorization.

3870723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 3870723 is about 1967.4153094860. The cubic root of 3870723 is about 157.0112234529.

The spelling of 3870723 in words is "three million, eight hundred seventy thousand, seven hundred twenty-three".