8901438 has 96 divisors (see below), whose sum is σ = 23786784. Its totient is φ = 2193408.

The previous prime is 8901413. The next prime is 8901461. The reversal of 8901438 is 8341098.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8901399 and 8901408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64906 + ... + 65042.

It is an arithmetic number, because the mean of its divisors is an integer number (247779).

Almost surely, 2^8901438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8901438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11893392).

8901438 is an abundant number, since it is smaller than the sum of its proper divisors (14885346).

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

8901438 is a wasteful number, since it uses less digits than its factorization.

8901438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8901438 is about 2983.5277776485. The cubic root of 8901438 is about 207.2462704067.

It can be divided in two parts, 8901 and 438, that added together give a palindrome (9339).

The spelling of 8901438 in words is "eight million, nine hundred one thousand, four hundred thirty-eight".