8402891422 has 16 divisors (see below), whose sum is σ = 12637616112. Its totient is φ = 4190365440.

The previous prime is 8402891389. The next prime is 8402891429. The reversal of 8402891422 is 2241982048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8402891429) 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, 2321358 + ... + 2324974.

It is an arithmetic number, because the mean of its divisors is an integer number (789851007).

Almost surely, 2^8402891422 is an apocalyptic number.

8402891422 is a deficient number, since it is larger than the sum of its proper divisors (4234724690).

8402891422 is a wasteful number, since it uses less digits than its factorization.

8402891422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 8402891422 is about 91667.2865421465. The cubic root of 8402891422 is about 2033.0259274117.

The spelling of 8402891422 in words is "eight billion, four hundred two million, eight hundred ninety-one thousand, four hundred twenty-two".