10240638 has 32 divisors (see below), whose sum is σ = 21238656. Its totient is φ = 3289248.

The previous prime is 10240631. The next prime is 10240673. The reversal of 10240638 is 83604201.

It is a happy number.

10240638 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240631) 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, 36045 + ... + 36327.

It is an arithmetic number, because the mean of its divisors is an integer number (663708).

Almost surely, 2^10240638 is an apocalyptic number.

10240638 is an abundant number, since it is smaller than the sum of its proper divisors (10998018).

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

10240638 is a wasteful number, since it uses less digits than its factorization.

10240638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 10240638 is about 3200.0996859473. The cubic root of 10240638 is about 217.1579191257.

Adding to 10240638 its reverse (83604201), we get a palindrome (93844839).

It can be divided in two parts, 10240 and 638, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 10240638 in words is "ten million, two hundred forty thousand, six hundred thirty-eight".