392045 has 8 divisors (see below), whose sum is σ = 476280. Its totient is φ = 309760.

The previous prime is 392033. The next prime is 392053. The reversal of 392045 is 540293.

It can be written as a sum of positive squares in 4 ways, for example, as 169 + 391876 = 13^2 + 626^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 392045 - 2⁸ = 391789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 392045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2³⁹²⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

392045 is a deficient number, since it is larger than the sum of its proper divisors (84235).

392045 is an equidigital number, since it uses as much as digits as its factorization.

392045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 392045 is about 626.1349694754. The cubic root of 392045 is about 73.1889145824.

It can be divided in two parts, 3920 and 45, that multiplied together give a square (176400 = 420²).

The spelling of 392045 in words is "three hundred ninety-two thousand, forty-five".