84660438 has 16 divisors (see below), whose sum is σ = 170966016. Its totient is φ = 27945960.

The previous prime is 84660437. The next prime is 84660439. The reversal of 84660438 is 83406648.

It is an interprime number because it is at equal distance from previous prime (84660437) and next prime (84660439).

It is a junction number, because it is equal to n+sod(n) for n = 84660396 and 84660405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84660431) 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, 67878 + ... + 69113.

It is an arithmetic number, because the mean of its divisors is an integer number (10685376).

Almost surely, 2^84660438 is an apocalyptic number.

84660438 is an abundant number, since it is smaller than the sum of its proper divisors (86305578).

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

84660438 is a wasteful number, since it uses less digits than its factorization.

84660438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137099.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 84660438 is about 9201.1106938239. The cubic root of 84660438 is about 439.0966970988.

The spelling of 84660438 in words is "eighty-four million, six hundred sixty thousand, four hundred thirty-eight".