394292125 has 8 divisors (see below), whose sum is σ = 492076728. Its totient is φ = 315433600.

The previous prime is 394292117. The next prime is 394292159. The reversal of 394292125 is 521292493.

It can be written as a sum of positive squares in 4 ways, for example, as 21724921 + 372567204 = 4661^2 + 19302^2 .

It is not a de Polignac number, because 394292125 - 2³ = 394292117 is a prime.

It is a super-3 number, since 3×394292125³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

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, 1577044 + ... + 1577293.

It is an arithmetic number, because the mean of its divisors is an integer number (61509591).

Almost surely, 2^394292125 is an apocalyptic number.

It is an amenable number.

394292125 is a deficient number, since it is larger than the sum of its proper divisors (97784603).

394292125 is an equidigital number, since it uses as much as digits as its factorization.

394292125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154352 (or 3154342 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 394292125 is about 19856.7904002636. The cubic root of 394292125 is about 733.2848309290.

The spelling of 394292125 in words is "three hundred ninety-four million, two hundred ninety-two thousand, one hundred twenty-five".