84091030 has 16 divisors (see below), whose sum is σ = 153624240. Its totient is φ = 33134112.

The previous prime is 84091009. The next prime is 84091031. The reversal of 84091030 is 3019048.

It is a junction number, because it is equal to n+sod(n) for n = 84090986 and 84091004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84091031) 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, 62085 + ... + 63424.

It is an arithmetic number, because the mean of its divisors is an integer number (9601515).

Almost surely, 2^84091030 is an apocalyptic number.

84091030 is a deficient number, since it is larger than the sum of its proper divisors (69533210).

84091030 is a wasteful number, since it uses less digits than its factorization.

84091030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125583.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 84091030 is about 9170.1161388502. The cubic root of 84091030 is about 438.1100583154.

The spelling of 84091030 in words is "eighty-four million, ninety-one thousand, thirty".