394943741 has 8 divisors (see below), whose sum is σ = 415969344. Its totient is φ = 374239360.

The previous prime is 394943723. The next prime is 394943743. The reversal of 394943741 is 147349493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394943741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 394943692 and 394943701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394943743) 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, 77780 + ... + 82701.

It is an arithmetic number, because the mean of its divisors is an integer number (51996168).

Almost surely, 2^394943741 is an apocalyptic number.

It is an amenable number.

394943741 is a deficient number, since it is larger than the sum of its proper divisors (21025603).

394943741 is a wasteful number, since it uses less digits than its factorization.

394943741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160611.

The product of its digits is 326592, while the sum is 44.

The square root of 394943741 is about 19873.1915152046. The cubic root of 394943741 is about 733.6885562557.

The spelling of 394943741 in words is "three hundred ninety-four million, nine hundred forty-three thousand, seven hundred forty-one".