84570230 has 32 divisors (see below), whose sum is σ = 155271168. Its totient is φ = 33157600.

The previous prime is 84570221. The next prime is 84570247. The reversal of 84570230 is 3207548.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84570193 and 84570202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220619 + ... + 221001.

It is an arithmetic number, because the mean of its divisors is an integer number (4852224).

Almost surely, 2^84570230 is an apocalyptic number.

84570230 is a deficient number, since it is larger than the sum of its proper divisors (70700938).

84570230 is a wasteful number, since it uses less digits than its factorization.

84570230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 84570230 is about 9196.2073704327. The cubic root of 84570230 is about 438.9406851816.

Adding to 84570230 its reverse (3207548), we get a palindrome (87777778).

The spelling of 84570230 in words is "eighty-four million, five hundred seventy thousand, two hundred thirty".