9001938 has 16 divisors (see below), whose sum is σ = 19640736. Its totient is φ = 2727840.

The previous prime is 9001933. The next prime is 9001961. The reversal of 9001938 is 8391009.

It is a happy number.

9001938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9001933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68131 + ... + 68262.

It is an arithmetic number, because the mean of its divisors is an integer number (1227546).

Almost surely, 2^9001938 is an apocalyptic number.

9001938 is an abundant number, since it is smaller than the sum of its proper divisors (10638798).

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

9001938 is a wasteful number, since it uses less digits than its factorization.

9001938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136409.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 9001938 is about 3000.3229826137. The cubic root of 9001938 is about 208.0233116131.

The spelling of 9001938 in words is "nine million, one thousand, nine hundred thirty-eight".