399148 has 6 divisors (see below), whose sum is σ = 698516. Its totient is φ = 199572.

The previous prime is 399137. The next prime is 399149. The reversal of 399148 is 841993.

It is not an unprimeable number, because it can be changed into a prime (399149) by changing a digit.

399148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49890 + ... + 49897.

2³⁹⁹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

399148 is a deficient number, since it is larger than the sum of its proper divisors (299368).

399148 is a wasteful number, since it uses less digits than its factorization.

399148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99791 (or 99789 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 399148 is about 631.7816078361. The cubic root of 399148 is about 73.6282795391.

The spelling of 399148 in words is "three hundred ninety-nine thousand, one hundred forty-eight".