7898922 has 12 divisors (see below), whose sum is σ = 17114370. Its totient is φ = 2632968.

The previous prime is 7898921. The next prime is 7898923. The reversal of 7898922 is 2298987.

It is an interprime number because it is at equal distance from previous prime (7898921) and next prime (7898923).

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 881721 = 2649^2 + 939^2 .

It is not an unprimeable number, because it can be changed into a prime (7898921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219397 + ... + 219432.

Almost surely, 2^7898922 is an apocalyptic number.

7898922 is an abundant number, since it is smaller than the sum of its proper divisors (9215448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7898922 is a wasteful number, since it uses less digits than its factorization.

7898922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438837 (or 438834 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7898922 is about 2810.5020903746. The cubic root of 7898922 is about 199.1541107339.

The spelling of 7898922 in words is "seven million, eight hundred ninety-eight thousand, nine hundred twenty-two".