39013500 has 96 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 10056000.

The previous prime is 39013493. The next prime is 39013501. The reversal of 39013500 is 531093.

39013500 is digitally balanced in base 2, because in such base 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 (39013501) 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 31 ways as a sum of consecutive naturals, for example, 46081 + ... + 46919.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^39013500 is an apocalyptic number.

39013500 is a gapful number since it is divisible by the number (30) 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 39013500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58705920).

39013500 is an abundant number, since it is smaller than the sum of its proper divisors (78398340).

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

39013500 is a wasteful number, since it uses less digits than its factorization.

39013500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 39013500 is about 6246.0787699164. The cubic root of 39013500 is about 339.1602691502.

Adding to 39013500 its reverse (531093), we get a palindrome (39544593).

The spelling of 39013500 in words is "thirty-nine million, thirteen thousand, five hundred".