3904870 has 8 divisors (see below), whose sum is σ = 7028784. Its totient is φ = 1561944.

The previous prime is 3904829. The next prime is 3904877. The reversal of 3904870 is 784093.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904877) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 195234 + ... + 195253.

It is an arithmetic number, because the mean of its divisors is an integer number (878598).

Almost surely, 2^3904870 is an apocalyptic number.

3904870 is a deficient number, since it is larger than the sum of its proper divisors (3123914).

3904870 is a wasteful number, since it uses less digits than its factorization.

3904870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390494.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3904870 is about 1976.0743913122. The cubic root of 3904870 is about 157.4715830146.

It can be divided in two parts, 3904 and 870, that added together give a palindrome (4774).

The spelling of 3904870 in words is "three million, nine hundred four thousand, eight hundred seventy".