390099 has 8 divisors (see below), whose sum is σ = 550800. Its totient is φ = 244736.

The previous prime is 390097. The next prime is 390101. The reversal of 390099 is 990093.

It is an interprime number because it is at equal distance from previous prime (390097) and next prime (390101).

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 390099 - 2¹ = 390097 is a prime.

390099 is a modest number, since divided by 99 gives 39 as remainder.

390099 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (390097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3774 + ... + 3875.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2³⁹⁰⁰⁹⁹ is an apocalyptic number.

390099 is a deficient number, since it is larger than the sum of its proper divisors (160701).

390099 is a wasteful number, since it uses less digits than its factorization.

390099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669.

The product of its (nonzero) digits is 2187, while the sum is 30.

The square root of 390099 is about 624.5790582464. The cubic root of 390099 is about 73.0676173391.

The spelling of 390099 in words is "three hundred ninety thousand, ninety-nine".