84910438 has 4 divisors (see below), whose sum is σ = 127365660. Its totient is φ = 42455218.

The previous prime is 84910417. The next prime is 84910447. The reversal of 84910438 is 83401948.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 84910397 and 84910406.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21227608 + ... + 21227611.

It is an arithmetic number, because the mean of its divisors is an integer number (31841415).

Almost surely, 2^84910438 is an apocalyptic number.

84910438 is a deficient number, since it is larger than the sum of its proper divisors (42455222).

84910438 is a wasteful number, since it uses less digits than its factorization.

84910438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42455221.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 84910438 is about 9214.6859957353. The cubic root of 84910438 is about 439.5284859421.

The spelling of 84910438 in words is "eighty-four million, nine hundred ten thousand, four hundred thirty-eight".