39393536 has 144 divisors (see below), whose sum is σ = 103017600. Its totient is φ = 14598144.

The previous prime is 39393511. The next prime is 39393551. The reversal of 39393536 is 63539393.

39393536 is a Rhonda number in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 39393493 and 39393502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442580 + ... + 442668.

It is an arithmetic number, because the mean of its divisors is an integer number (715400).

Almost surely, 2^39393536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39393536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51508800).

39393536 is an abundant number, since it is smaller than the sum of its proper divisors (63624064).

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

39393536 is a wasteful number, since it uses less digits than its factorization.

39393536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 130 counting only the distinct ones).

The product of its digits is 196830, while the sum is 41.

The square root of 39393536 is about 6276.4270090554. The cubic root of 39393536 is about 340.2579818256.

The spelling of 39393536 in words is "thirty-nine million, three hundred ninety-three thousand, five hundred thirty-six".