86804438 has 16 divisors (see below), whose sum is σ = 155278080. Its totient is φ = 35584296.

The previous prime is 86804437. The next prime is 86804449. The reversal of 86804438 is 83440868.

It is a junction number, because it is equal to n+sod(n) for n = 86804395 and 86804404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86804437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134468 + ... + 135111.

It is an arithmetic number, because the mean of its divisors is an integer number (9704880).

Almost surely, 2^86804438 is an apocalyptic number.

86804438 is a deficient number, since it is larger than the sum of its proper divisors (68473642).

86804438 is a wasteful number, since it uses less digits than its factorization.

86804438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269611.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 86804438 is about 9316.8899317315. The cubic root of 86804438 is about 442.7725036900.

The spelling of 86804438 in words is "eighty-six million, eight hundred four thousand, four hundred thirty-eight".