8857406 has 4 divisors (see below), whose sum is σ = 13286112. Its totient is φ = 4428702.

The previous prime is 8857399. The next prime is 8857411. The reversal of 8857406 is 6047588.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8857406.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2214350 + ... + 2214353.

It is an arithmetic number, because the mean of its divisors is an integer number (3321528).

Almost surely, 2^8857406 is an apocalyptic number.

8857406 is a deficient number, since it is larger than the sum of its proper divisors (4428706).

8857406 is a wasteful number, since it uses less digits than its factorization.

8857406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428705.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 8857406 is about 2976.1394456577. The cubic root of 8857406 is about 206.9039827899.

The spelling of 8857406 in words is "eight million, eight hundred fifty-seven thousand, four hundred six".