84099131 has 8 divisors (see below), whose sum is σ = 85674240. Its totient is φ = 82529128.

The previous prime is 84099107. The next prime is 84099143. The reversal of 84099131 is 13199048.

84099131 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 84099131 - 2²² = 79904827 is a prime.

It is a super-2 number, since 2×84099131² = 14145327669910322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84099091 and 84099100.

It is not an unprimeable number, because it can be changed into a prime (84099161) 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, 51530 + ... + 53136.

It is an arithmetic number, because the mean of its divisors is an integer number (10709280).

Almost surely, 2^84099131 is an apocalyptic number.

84099131 is a deficient number, since it is larger than the sum of its proper divisors (1575109).

84099131 is a wasteful number, since it uses less digits than its factorization.

84099131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 84099131 is about 9170.5578347230. The cubic root of 84099131 is about 438.1241264652.

The spelling of 84099131 in words is "eighty-four million, ninety-nine thousand, one hundred thirty-one".