392429 has 4 divisors (see below), whose sum is σ = 405120. Its totient is φ = 379740.

The previous prime is 392423. The next prime is 392437. The reversal of 392429 is 924293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924293 = 19 ⋅48647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 392429.

It is not an unprimeable number, because it can be changed into a prime (392423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6299 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (101280).

2³⁹²⁴²⁹ is an apocalyptic number.

It is an amenable number.

392429 is a deficient number, since it is larger than the sum of its proper divisors (12691).

392429 is a wasteful number, since it uses less digits than its factorization.

392429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690.

The product of its digits is 3888, while the sum is 29.

The square root of 392429 is about 626.4415375755. The cubic root of 392429 is about 73.2128024628.

The spelling of 392429 in words is "three hundred ninety-two thousand, four hundred twenty-nine".