84520346 has 4 divisors (see below), whose sum is σ = 126780522. Its totient is φ = 42260172.

The previous prime is 84520343. The next prime is 84520351. The reversal of 84520346 is 64302548.

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

It can be written as a sum of positive squares in only one way, i.e., 46389721 + 38130625 = 6811^2 + 6175^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84520343) 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 as a sum of consecutive naturals, namely, 21130085 + ... + 21130088.

Almost surely, 2^84520346 is an apocalyptic number.

84520346 is a deficient number, since it is larger than the sum of its proper divisors (42260176).

84520346 is a wasteful number, since it uses less digits than its factorization.

84520346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42260175.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 84520346 is about 9193.4947653218. The cubic root of 84520346 is about 438.8543647207.

The spelling of 84520346 in words is "eighty-four million, five hundred twenty thousand, three hundred forty-six".