84533890 has 16 divisors (see below), whose sum is σ = 173898432. Its totient is φ = 28983024.

The previous prime is 84533879. The next prime is 84533893. The reversal of 84533890 is 9833548.

It is a super-3 number, since 3×84533890³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (84533893) 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, 603744 + ... + 603883.

It is an arithmetic number, because the mean of its divisors is an integer number (10868652).

Almost surely, 2^84533890 is an apocalyptic number.

84533890 is an abundant number, since it is smaller than the sum of its proper divisors (89364542).

84533890 is a wasteful number, since it uses less digits than its factorization.

84533890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207641.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 84533890 is about 9194.2313436198. The cubic root of 84533890 is about 438.8778049389.

The spelling of 84533890 in words is "eighty-four million, five hundred thirty-three thousand, eight hundred ninety".