394552445 has 8 divisors (see below), whose sum is σ = 541100544. Its totient is φ = 270550224.

The previous prime is 394552399. The next prime is 394552489. The reversal of 394552445 is 544255493.

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

It is not a de Polignac number, because 394552445 - 2¹⁶ = 394486909 is a prime.

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, 5636429 + ... + 5636498.

It is an arithmetic number, because the mean of its divisors is an integer number (67637568).

Almost surely, 2^394552445 is an apocalyptic number.

394552445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

394552445 is a deficient number, since it is larger than the sum of its proper divisors (146548099).

394552445 is a wasteful number, since it uses less digits than its factorization.

394552445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272939.

The product of its digits is 432000, while the sum is 41.

The square root of 394552445 is about 19863.3442551852. The cubic root of 394552445 is about 733.4461721452.

The spelling of 394552445 in words is "three hundred ninety-four million, five hundred fifty-two thousand, four hundred forty-five".