8406156 has 48 divisors (see below), whose sum is σ = 21909888. Its totient is φ = 2486400.

The previous prime is 8406127. The next prime is 8406161. The reversal of 8406156 is 6516048.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4936 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (456456).

Almost surely, 2^8406156 is an apocalyptic number.

8406156 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8406156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10954944).

8406156 is an abundant number, since it is smaller than the sum of its proper divisors (13503732).

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

8406156 is a wasteful number, since it uses less digits than its factorization.

8406156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8406156 is about 2899.3371656294. The cubic root of 8406156 is about 203.3289174591.

It can be divided in two parts, 840 and 6156, that added together give a palindrome (6996).

The spelling of 8406156 in words is "eight million, four hundred six thousand, one hundred fifty-six".