392425 has 12 divisors (see below), whose sum is σ = 531216. Its totient is φ = 285200.

The previous prime is 392423. The next prime is 392437. The reversal of 392425 is 524293.

It is a happy number.

It is not a de Polignac number, because 392425 - 2¹ = 392423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 3³ + 9³ + 4 + 2⁴ + 2¹⁰ + 5⁸ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 392425.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (44268).

2³⁹²⁴²⁵ is an apocalyptic number.

It is an amenable number.

392425 is a deficient number, since it is larger than the sum of its proper divisors (138791).

392425 is a wasteful number, since it uses less digits than its factorization.

392425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1443 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 392425 is about 626.4383449311. The cubic root of 392425 is about 73.2125537110.

The spelling of 392425 in words is "three hundred ninety-two thousand, four hundred twenty-five".