394090894 has 8 divisors (see below), whose sum is σ = 622248840. Its totient is φ = 186674616.

The previous prime is 394090891. The next prime is 394090897. The reversal of 394090894 is 498090493.

It is an interprime number because it is at equal distance from previous prime (394090891) and next prime (394090897).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394090891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185369 + ... + 5185444.

It is an arithmetic number, because the mean of its divisors is an integer number (77781105).

Almost surely, 2^394090894 is an apocalyptic number.

394090894 is a deficient number, since it is larger than the sum of its proper divisors (228157946).

394090894 is a wasteful number, since it uses less digits than its factorization.

394090894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370834.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 394090894 is about 19851.7226960282. The cubic root of 394090894 is about 733.1600632416.

The spelling of 394090894 in words is "three hundred ninety-four million, ninety thousand, eight hundred ninety-four".