8819772 has 36 divisors (see below), whose sum is σ = 22289400. Its totient is φ = 2713152.

The previous prime is 8819761. The next prime is 8819791. The reversal of 8819772 is 2779188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147 + ... + 4202.

It is an arithmetic number, because the mean of its divisors is an integer number (619150).

Almost surely, 2^8819772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8819772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11144700).

8819772 is an abundant number, since it is smaller than the sum of its proper divisors (13469628).

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

8819772 is a wasteful number, since it uses less digits than its factorization.

8819772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382 (or 4367 counting only the distinct ones).

The product of its digits is 56448, while the sum is 42.

The square root of 8819772 is about 2969.8100949387. The cubic root of 8819772 is about 206.6105304811.

It can be divided in two parts, 8819 and 772, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 8819772 in words is "eight million, eight hundred nineteen thousand, seven hundred seventy-two".