938894040 has 384 divisors, whose sum is σ = 3698472960. Its totient is φ = 201940992.

The previous prime is 938894039. The next prime is 938894041. The reversal of 938894040 is 40498839.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (938894039) and next prime (938894041).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938894041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5622037 + ... + 5622203.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 2^938894040 is an apocalyptic number.

938894040 is a gapful number since it is divisible by the number (90) 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 938894040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849236480).

938894040 is an abundant number, since it is smaller than the sum of its proper divisors (2759578920).

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

938894040 is a wasteful number, since it uses less digits than its factorization.

938894040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 938894040 is about 30641.3779063540. The cubic root of 938894040 is about 979.2017795607.

The spelling of 938894040 in words is "nine hundred thirty-eight million, eight hundred ninety-four thousand, forty".