939768390 has 48 divisors (see below), whose sum is σ = 2665527696. Its totient is φ = 227822400.

The previous prime is 939768383. The next prime is 939768391. The reversal of 939768390 is 93867939.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939768391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473641 + ... + 475620.

It is an arithmetic number, because the mean of its divisors is an integer number (55531827).

Almost surely, 2^939768390 is an apocalyptic number.

939768390 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

939768390 is an abundant number, since it is smaller than the sum of its proper divisors (1725759306).

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

939768390 is a wasteful number, since it uses less digits than its factorization.

939768390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949285 (or 949282 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 939768390 is about 30655.6420581922. The cubic root of 939768390 is about 979.5056475187.

The spelling of 939768390 in words is "nine hundred thirty-nine million, seven hundred sixty-eight thousand, three hundred ninety".