9010640 has 40 divisors (see below), whose sum is σ = 21108768. Its totient is φ = 3576960.

The previous prime is 9010637. The next prime is 9010667. The reversal of 9010640 is 460109.

9010640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 12695 + ... + 13385.

Almost surely, 2^9010640 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 9010640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10554384).

9010640 is an abundant number, since it is smaller than the sum of its proper divisors (12098128).

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

9010640 is a wasteful number, since it uses less digits than its factorization.

9010640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9010640 is about 3001.7728095244. The cubic root of 9010640 is about 208.0903207345.

Adding to 9010640 its reverse (460109), we get a palindrome (9470749).

The spelling of 9010640 in words is "nine million, ten thousand, six hundred forty".