3870406 has 8 divisors (see below), whose sum is σ = 5814504. Its totient is φ = 1932240.

The previous prime is 3870401. The next prime is 3870413. The reversal of 3870406 is 6040783.

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

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (726813).

Almost surely, 2^3870406 is an apocalyptic number.

3870406 is a deficient number, since it is larger than the sum of its proper divisors (1944098).

3870406 is a wasteful number, since it uses less digits than its factorization.

3870406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3870406 is about 1967.3347452836. The cubic root of 3870406 is about 157.0069370946.

The spelling of 3870406 in words is "three million, eight hundred seventy thousand, four hundred six".