84385436 has 48 divisors (see below), whose sum is σ = 160199424. Its totient is φ = 38793216.

The previous prime is 84385429. The next prime is 84385453. The reversal of 84385436 is 63458348.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 84385393 and 84385402.

It is a congruent number.

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, 328220 + ... + 328476.

It is an arithmetic number, because the mean of its divisors is an integer number (3337488).

Almost surely, 2^84385436 is an apocalyptic number.

84385436 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

84385436 is a deficient number, since it is larger than the sum of its proper divisors (75813988).

84385436 is a wasteful number, since it uses less digits than its factorization.

84385436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 408 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 84385436 is about 9186.1545817605. The cubic root of 84385436 is about 438.6207429785.

The spelling of 84385436 in words is "eighty-four million, three hundred eighty-five thousand, four hundred thirty-six".