393950 has 12 divisors (see below), whose sum is σ = 732840. Its totient is φ = 157560.

The previous prime is 393947. The next prime is 393961. The reversal of 393950 is 59393.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (61070).

2³⁹³⁹⁵⁰ is an apocalyptic number.

393950 is a deficient number, since it is larger than the sum of its proper divisors (338890).

393950 is a wasteful number, since it uses less digits than its factorization.

393950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891 (or 7886 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 393950 is about 627.6543634836. The cubic root of 393950 is about 73.3072680552.

The spelling of 393950 in words is "three hundred ninety-three thousand, nine hundred fifty".