989454622 has 16 divisors (see below), whose sum is σ = 1632359232. Its totient is φ = 446954400.

The previous prime is 989454607. The next prime is 989454623. The reversal of 989454622 is 226454989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989454623) 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, 403629 + ... + 406072.

It is an arithmetic number, because the mean of its divisors is an integer number (102022452).

Almost surely, 2^989454622 is an apocalyptic number.

989454622 is a deficient number, since it is larger than the sum of its proper divisors (642904610).

989454622 is a wasteful number, since it uses less digits than its factorization.

989454622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809763.

The product of its digits is 1244160, while the sum is 49.

The square root of 989454622 is about 31455.5976258599. The cubic root of 989454622 is about 996.4724449875.

It can be divided in two parts, 9894 and 54622, that added together give a square (64516 = 254²).

The spelling of 989454622 in words is "nine hundred eighty-nine million, four hundred fifty-four thousand, six hundred twenty-two".