8421902 has 16 divisors (see below), whose sum is σ = 14081040. Its totient is φ = 3754368.

The previous prime is 8421901. The next prime is 8421911. The reversal of 8421902 is 2091248.

It is a d-powerful number, because it can be written as 8³ + 4 + 2¹⁵ + 1 + 9 + 0 + 2²³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8421901) 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, 5873 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (880065).

Almost surely, 2^8421902 is an apocalyptic number.

8421902 is a deficient number, since it is larger than the sum of its proper divisors (5659138).

8421902 is a wasteful number, since it uses less digits than its factorization.

8421902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8421902 is about 2902.0513434466. The cubic root of 8421902 is about 203.4557935316.

It can be divided in two parts, 842 and 1902, that added together give a cube (2744 = 14³).

The spelling of 8421902 in words is "eight million, four hundred twenty-one thousand, nine hundred two".