89769428 has 24 divisors (see below), whose sum is σ = 185332224. Its totient is φ = 37231200.

The previous prime is 89769403. The next prime is 89769461. The reversal of 89769428 is 82496798.

It is a self number, because there is not a number n which added to its sum of digits gives 89769428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50843 + ... + 52578.

It is an arithmetic number, because the mean of its divisors is an integer number (7722176).

Almost surely, 2^89769428 is an apocalyptic number.

It is an amenable number.

89769428 is an abundant number, since it is smaller than the sum of its proper divisors (95562796).

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

89769428 is a wasteful number, since it uses less digits than its factorization.

89769428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103463 (or 103461 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 89769428 is about 9474.6729758868. The cubic root of 89769428 is about 447.7574486893.

The spelling of 89769428 in words is "eighty-nine million, seven hundred sixty-nine thousand, four hundred twenty-eight".