392848945 has 8 divisors (see below), whose sum is σ = 473172840. Its totient is φ = 313109760.

The previous prime is 392848913. The next prime is 392848949. The reversal of 392848945 is 549848293.

It can be written as a sum of positive squares in 4 ways, for example, as 22363441 + 370485504 = 4729^2 + 19248^2 .

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

It is not a de Polignac number, because 392848945 - 2⁵ = 392848913 is a prime.

It is a super-2 number, since 2×392848945² = 308660587175226050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 392848892 and 392848901.

It is not an unprimeable number, because it can be changed into a prime (392848949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144696 + ... + 147385.

It is an arithmetic number, because the mean of its divisors is an integer number (59146605).

Almost surely, 2^392848945 is an apocalyptic number.

It is an amenable number.

392848945 is a deficient number, since it is larger than the sum of its proper divisors (80323895).

392848945 is a wasteful number, since it uses less digits than its factorization.

392848945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292355.

The product of its digits is 2488320, while the sum is 52.

The square root of 392848945 is about 19820.4173770383. The cubic root of 392848945 is about 732.3890857779.

The spelling of 392848945 in words is "three hundred ninety-two million, eight hundred forty-eight thousand, nine hundred forty-five".