84083290 has 8 divisors (see below), whose sum is σ = 151349940. Its totient is φ = 33633312.

The previous prime is 84083273. The next prime is 84083291. The reversal of 84083290 is 9238048.

It can be written as a sum of positive squares in 2 ways, for example, as 71216721 + 12866569 = 8439^2 + 3587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84083291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204155 + ... + 4204174.

Almost surely, 2^84083290 is an apocalyptic number.

84083290 is a deficient number, since it is larger than the sum of its proper divisors (67266650).

84083290 is a wasteful number, since it uses less digits than its factorization.

84083290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408336.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 84083290 is about 9169.6941061303. The cubic root of 84083290 is about 438.0966162321.

The spelling of 84083290 in words is "eighty-four million, eighty-three thousand, two hundred ninety".