84645830 has 8 divisors (see below), whose sum is σ = 152362512. Its totient is φ = 33858328.

The previous prime is 84645829. The next prime is 84645851. The reversal of 84645830 is 3854648.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4232282 + ... + 4232301.

It is an arithmetic number, because the mean of its divisors is an integer number (19045314).

Almost surely, 2^84645830 is an apocalyptic number.

84645830 is a deficient number, since it is larger than the sum of its proper divisors (67716682).

84645830 is a wasteful number, since it uses less digits than its factorization.

84645830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464590.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 84645830 is about 9200.3168423702. The cubic root of 84645830 is about 439.0714405418.

The spelling of 84645830 in words is "eighty-four million, six hundred forty-five thousand, eight hundred thirty".