939348540 has 144 divisors (see below), whose sum is σ = 3143702016. Its totient is φ = 225561600.

The previous prime is 939348539. The next prime is 939348559. The reversal of 939348540 is 45843939.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91045 + ... + 100835.

It is an arithmetic number, because the mean of its divisors is an integer number (21831264).

Almost surely, 2^939348540 is an apocalyptic number.

939348540 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 939348540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571851008).

939348540 is an abundant number, since it is smaller than the sum of its proper divisors (2204353476).

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

939348540 is a wasteful number, since it uses less digits than its factorization.

939348540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860 (or 9855 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 939348540 is about 30648.7934509664. The cubic root of 939348540 is about 979.3597581314.

The spelling of 939348540 in words is "nine hundred thirty-nine million, three hundred forty-eight thousand, five hundred forty".