393049 has 6 divisors (see below), whose sum is σ = 407130. Its totient is φ = 379440.

The previous prime is 393031. The next prime is 393059. The reversal of 393049 is 940393.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 8649 = 620^2 + 93^2 .

It is not a de Polignac number, because 393049 - 2⁵ = 393017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 757 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (67855).

2³⁹³⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

393049 is a deficient number, since it is larger than the sum of its proper divisors (14081).

393049 is an equidigital number, since it uses as much as digits as its factorization.

393049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 393049 is about 626.9362009009. The cubic root of 393049 is about 73.2513385662.

The spelling of 393049 in words is "three hundred ninety-three thousand, forty-nine".