4156828 has 12 divisors (see below), whose sum is σ = 7834120. Its totient is φ = 1918512.

The previous prime is 4156819. The next prime is 4156829. The reversal of 4156828 is 8286514.

It is a junction number, because it is equal to n+sod(n) for n = 4156793 and 4156802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156829) 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, 39918 + ... + 40021.

Almost surely, 2^4156828 is an apocalyptic number.

It is an amenable number.

4156828 is a deficient number, since it is larger than the sum of its proper divisors (3677292).

4156828 is a wasteful number, since it uses less digits than its factorization.

4156828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79956 (or 79954 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 4156828 is about 2038.8300566747. The cubic root of 4156828 is about 160.7881425709.

The spelling of 4156828 in words is "four million, one hundred fifty-six thousand, eight hundred twenty-eight".