84204374 has 4 divisors (see below), whose sum is σ = 126306564. Its totient is φ = 42102186.

The previous prime is 84204359. The next prime is 84204389. The reversal of 84204374 is 47340248.

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

It is an interprime number because it is at equal distance from previous prime (84204359) and next prime (84204389).

It is a self number, because there is not a number n which added to its sum of digits gives 84204374.

It is a congruent number.

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, 21051092 + ... + 21051095.

It is an arithmetic number, because the mean of its divisors is an integer number (31576641).

Almost surely, 2^84204374 is an apocalyptic number.

84204374 is a deficient number, since it is larger than the sum of its proper divisors (42102190).

84204374 is a wasteful number, since it uses less digits than its factorization.

84204374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102189.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 84204374 is about 9176.2941321647. The cubic root of 84204374 is about 438.3068087998.

The spelling of 84204374 in words is "eighty-four million, two hundred four thousand, three hundred seventy-four".