84057814 has 4 divisors (see below), whose sum is σ = 126086724. Its totient is φ = 42028906.

The previous prime is 84057811. The next prime is 84057829. The reversal of 84057814 is 41875048.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84057811) 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, 21014452 + ... + 21014455.

It is an arithmetic number, because the mean of its divisors is an integer number (31521681).

Almost surely, 2^84057814 is an apocalyptic number.

84057814 is a deficient number, since it is larger than the sum of its proper divisors (42028910).

84057814 is a wasteful number, since it uses less digits than its factorization.

84057814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42028909.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 84057814 is about 9168.3048596783. The cubic root of 84057814 is about 438.0523661527.

The spelling of 84057814 in words is "eighty-four million, fifty-seven thousand, eight hundred fourteen".