8920436 has 48 divisors (see below), whose sum is σ = 18923520. Its totient is φ = 3598560.

The previous prime is 8920433. The next prime is 8920463. The reversal of 8920436 is 6340298.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8920433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37205 + ... + 37443.

It is an arithmetic number, because the mean of its divisors is an integer number (394240).

Almost surely, 2^8920436 is an apocalyptic number.

8920436 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8920436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9461760).

8920436 is an abundant number, since it is smaller than the sum of its proper divisors (10003084).

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

8920436 is a wasteful number, since it uses less digits than its factorization.

8920436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 8920436 is about 2986.7098955205. The cubic root of 8920436 is about 207.3936049126.

The spelling of 8920436 in words is "eight million, nine hundred twenty thousand, four hundred thirty-six".