8401394 has 8 divisors (see below), whose sum is σ = 13150080. Its totient is φ = 4018036.

The previous prime is 8401381. The next prime is 8401397. The reversal of 8401394 is 4931048.

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

It is a super-2 number, since 2×8401394² = 141166842286472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8401397) 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, 91274 + ... + 91365.

It is an arithmetic number, because the mean of its divisors is an integer number (1643760).

Almost surely, 2^8401394 is an apocalyptic number.

8401394 is a deficient number, since it is larger than the sum of its proper divisors (4748686).

8401394 is a wasteful number, since it uses less digits than its factorization.

8401394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182664.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8401394 is about 2898.5158271088. The cubic root of 8401394 is about 203.2905156340.

Subtracting from 8401394 its product of nonzero digits (3456), we obtain a palindrome (8397938).

The spelling of 8401394 in words is "eight million, four hundred one thousand, three hundred ninety-four".