84477434 has 8 divisors (see below), whose sum is σ = 127010100. Its totient is φ = 42140736.

The previous prime is 84477431. The next prime is 84477443. The reversal of 84477434 is 43477448.

It can be written as a sum of positive squares in 2 ways, for example, as 74218225 + 10259209 = 8615^2 + 3203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 84477391 and 84477400.

It is not an unprimeable number, because it can be changed into a prime (84477431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47909 + ... + 49640.

Almost surely, 2^84477434 is an apocalyptic number.

84477434 is a deficient number, since it is larger than the sum of its proper divisors (42532666).

84477434 is a wasteful number, since it uses less digits than its factorization.

84477434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97984.

The product of its digits is 301056, while the sum is 41.

The square root of 84477434 is about 9191.1606448805. The cubic root of 84477434 is about 438.7800815948.

The spelling of 84477434 in words is "eighty-four million, four hundred seventy-seven thousand, four hundred thirty-four".