84905354 has 4 divisors (see below), whose sum is σ = 127358034. Its totient is φ = 42452676.

The previous prime is 84905341. The next prime is 84905363. The reversal of 84905354 is 45350948.

It is a happy number.

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., 78730129 + 6175225 = 8873^2 + 2485^2 .

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, 21226337 + ... + 21226340.

Almost surely, 2^84905354 is an apocalyptic number.

84905354 is a deficient number, since it is larger than the sum of its proper divisors (42452680).

84905354 is a wasteful number, since it uses less digits than its factorization.

84905354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42452679.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 84905354 is about 9214.4101276208. The cubic root of 84905354 is about 439.5197135325.

The spelling of 84905354 in words is "eighty-four million, nine hundred five thousand, three hundred fifty-four".