84589990 has 16 divisors (see below), whose sum is σ = 152394048. Its totient is φ = 33806656.

The previous prime is 84589969. The next prime is 84589993. The reversal of 84589990 is 9998548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84589993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11379 + ... + 17281.

It is an arithmetic number, because the mean of its divisors is an integer number (9524628).

Almost surely, 2^84589990 is an apocalyptic number.

84589990 is a deficient number, since it is larger than the sum of its proper divisors (67804058).

84589990 is a wasteful number, since it uses less digits than its factorization.

84589990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343.

The product of its (nonzero) digits is 933120, while the sum is 52.

The square root of 84589990 is about 9197.2816636221. The cubic root of 84589990 is about 438.9748689699.

The spelling of 84589990 in words is "eighty-four million, five hundred eighty-nine thousand, nine hundred ninety".