3870402 has 8 divisors (see below), whose sum is σ = 7740816. Its totient is φ = 1290132.

The previous prime is 3870401. The next prime is 3870413. The reversal of 3870402 is 2040783.

3870402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3870402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3870401) 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 3 ways as a sum of consecutive naturals, for example, 322528 + ... + 322539.

It is an arithmetic number, because the mean of its divisors is an integer number (967602).

Almost surely, 2^3870402 is an apocalyptic number.

3870402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3870402 is a wasteful number, since it uses less digits than its factorization.

3870402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645072.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3870402 is about 1967.3337286795. Note that the first 3 decimals coincide. The cubic root of 3870402 is about 157.0068830066.

The spelling of 3870402 in words is "three million, eight hundred seventy thousand, four hundred two".