39124189 has 4 divisors (see below), whose sum is σ = 42133756. Its totient is φ = 36114624.

The previous prime is 39124159. The next prime is 39124193. The reversal of 39124189 is 98142193.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18576100 + 20548089 = 4310^2 + 4533^2 .

It is not a de Polignac number, because 39124189 - 2¹¹ = 39122141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39124159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504764 + ... + 1504789.

It is an arithmetic number, because the mean of its divisors is an integer number (10533439).

Almost surely, 2^39124189 is an apocalyptic number.

It is an amenable number.

39124189 is a deficient number, since it is larger than the sum of its proper divisors (3009567).

39124189 is a wasteful number, since it uses less digits than its factorization.

39124189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009566.

The product of its digits is 15552, while the sum is 37.

The square root of 39124189 is about 6254.9331731042. The cubic root of 39124189 is about 339.4807211548.

The spelling of 39124189 in words is "thirty-nine million, one hundred twenty-four thousand, one hundred eighty-nine".