8400099 has 4 divisors (see below), whose sum is σ = 11200136. Its totient is φ = 5600064.

The previous prime is 8400097. The next prime is 8400131. The reversal of 8400099 is 9900048.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8400099 - 2¹ = 8400097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400097) 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, 1400014 + ... + 1400019.

It is an arithmetic number, because the mean of its divisors is an integer number (2800034).

Almost surely, 2^8400099 is an apocalyptic number.

8400099 is a deficient number, since it is larger than the sum of its proper divisors (2800037).

8400099 is a wasteful number, since it uses less digits than its factorization.

8400099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800036.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 8400099 is about 2898.2924283102. The cubic root of 8400099 is about 203.2800699570.

The spelling of 8400099 in words is "eight million, four hundred thousand, ninety-nine".