84011290 has 16 divisors (see below), whose sum is σ = 164967840. Its totient is φ = 30549520.

The previous prime is 84011287. The next prime is 84011303. The reversal of 84011290 is 9211048.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381760 + ... + 381979.

It is an arithmetic number, because the mean of its divisors is an integer number (10310490).

Almost surely, 2^84011290 is an apocalyptic number.

84011290 is a deficient number, since it is larger than the sum of its proper divisors (80956550).

84011290 is a wasteful number, since it uses less digits than its factorization.

84011290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763757.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 84011290 is about 9165.7672892126. The cubic root of 84011290 is about 437.9715340507.

The spelling of 84011290 in words is "eighty-four million, eleven thousand, two hundred ninety".