399107 has 2 divisors, whose sum is σ = 399108. Its totient is φ = 399106.

The previous prime is 399101. The next prime is 399131. The reversal of 399107 is 701993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 399107 - 2⁶ = 399043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 399107.

It is not a weakly prime, because it can be changed into another prime (399101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199553 + 199554.

It is an arithmetic number, because the mean of its divisors is an integer number (199554).

2³⁹⁹¹⁰⁷ is an apocalyptic number.

399107 is a deficient number, since it is larger than the sum of its proper divisors (1).

399107 is an equidigital number, since it uses as much as digits as its factorization.

399107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 399107 is about 631.7491590814. The cubic root of 399107 is about 73.6257584502.

The spelling of 399107 in words is "three hundred ninety-nine thousand, one hundred seven".