84684430 has 16 divisors (see below), whose sum is σ = 152753760. Its totient is φ = 33802272.

The previous prime is 84684427. The next prime is 84684461. The reversal of 84684430 is 3448648.

It is a self number, because there is not a number n which added to its sum of digits gives 84684430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (9547110).

Almost surely, 2^84684430 is an apocalyptic number.

84684430 is a deficient number, since it is larger than the sum of its proper divisors (68069330).

84684430 is a wasteful number, since it uses less digits than its factorization.

84684430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17883.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 84684430 is about 9202.4143571130. The cubic root of 84684430 is about 439.1381718545.

The spelling of 84684430 in words is "eighty-four million, six hundred eighty-four thousand, four hundred thirty".