394125445 has 16 divisors (see below), whose sum is σ = 541025280. Its totient is φ = 270002304.

The previous prime is 394125419. The next prime is 394125451. The reversal of 394125445 is 544521493.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 394125445 - 2²³ = 385736837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37036 + ... + 46474.

It is an arithmetic number, because the mean of its divisors is an integer number (33814080).

Almost surely, 2^394125445 is an apocalyptic number.

394125445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

394125445 is a deficient number, since it is larger than the sum of its proper divisors (146899835).

394125445 is a wasteful number, since it uses less digits than its factorization.

394125445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644.

The product of its digits is 86400, while the sum is 37.

The square root of 394125445 is about 19852.5929036990. The cubic root of 394125445 is about 733.1814886483.

The spelling of 394125445 in words is "three hundred ninety-four million, one hundred twenty-five thousand, four hundred forty-five".