8154438 has 16 divisors (see below), whose sum is σ = 16343040. Its totient is φ = 2712456.

The previous prime is 8154431. The next prime is 8154469. The reversal of 8154438 is 8344518.

It is a junction number, because it is equal to n+sod(n) for n = 8154399 and 8154408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154431) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2523 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^8154438 is an apocalyptic number.

8154438 is an abundant number, since it is smaller than the sum of its proper divisors (8188602).

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

8154438 is a wasteful number, since it uses less digits than its factorization.

8154438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its digits is 15360, while the sum is 33.

The square root of 8154438 is about 2855.5976607358. The cubic root of 8154438 is about 201.2787893950.

It can be divided in two parts, 815 and 4438, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 8154438 in words is "eight million, one hundred fifty-four thousand, four hundred thirty-eight".