392949 has 6 divisors (see below), whose sum is σ = 567606. Its totient is φ = 261960.

The previous prime is 392929. The next prime is 392957. The reversal of 392949 is 949293.

392949 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 11025 = 618^2 + 105^2 .

It is not a de Polignac number, because 392949 - 2⁹ = 392437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392929) 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, 21822 + ... + 21839.

It is an arithmetic number, because the mean of its divisors is an integer number (94601).

2³⁹²⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

392949 is a deficient number, since it is larger than the sum of its proper divisors (174657).

392949 is a wasteful number, since it uses less digits than its factorization.

392949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43667 (or 43664 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 392949 is about 626.8564428958. The cubic root of 392949 is about 73.2451258080.

The spelling of 392949 in words is "three hundred ninety-two thousand, nine hundred forty-nine".