394358444 has 12 divisors (see below), whose sum is σ = 693704424. Its totient is φ = 196157184.

The previous prime is 394358431. The next prime is 394358507. The reversal of 394358444 is 444853493.

It is a super-2 number, since 2×394358444² = 311037164708202272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 394358395 and 394358404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254642 + ... + 256185.

It is an arithmetic number, because the mean of its divisors is an integer number (57808702).

Almost surely, 2^394358444 is an apocalyptic number.

It is an amenable number.

394358444 is a deficient number, since it is larger than the sum of its proper divisors (299345980).

394358444 is a wasteful number, since it uses less digits than its factorization.

394358444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511024 (or 511022 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 394358444 is about 19858.4602625682. The cubic root of 394358444 is about 733.3259408805.

The spelling of 394358444 in words is "three hundred ninety-four million, three hundred fifty-eight thousand, four hundred forty-four".