39738285 has 12 divisors (see below), whose sum is σ = 68879772. Its totient is φ = 21193728.

The previous prime is 39738277. The next prime is 39738289. The reversal of 39738285 is 58283793.

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 27815076 = 3453^2 + 5274^2 .

It is not a de Polignac number, because 39738285 - 2³ = 39738277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 883073 = 39738285 / (3 + 9 + 7 + 3 + 8 + 2 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39738285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39738289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441492 + ... + 441581.

It is an arithmetic number, because the mean of its divisors is an integer number (5739981).

Almost surely, 2^39738285 is an apocalyptic number.

It is an amenable number.

39738285 is a deficient number, since it is larger than the sum of its proper divisors (29141487).

39738285 is a wasteful number, since it uses less digits than its factorization.

39738285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883084 (or 883081 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 39738285 is about 6303.8309780641. The cubic root of 39738285 is about 341.2476794110.

The spelling of 39738285 in words is "thirty-nine million, seven hundred thirty-eight thousand, two hundred eighty-five".