39342387 has 16 divisors (see below), whose sum is σ = 60099840. Its totient is φ = 22425312.

The previous prime is 39342383. The next prime is 39342409. The reversal of 39342387 is 78324393.

It is not a de Polignac number, because 39342387 - 2² = 39342383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39342383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189 + ... + 11417.

It is an arithmetic number, because the mean of its divisors is an integer number (3756240).

Almost surely, 2^39342387 is an apocalyptic number.

39342387 is a deficient number, since it is larger than the sum of its proper divisors (20757453).

39342387 is a wasteful number, since it uses less digits than its factorization.

39342387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682.

The product of its digits is 108864, while the sum is 39.

The square root of 39342387 is about 6272.3509946431. The cubic root of 39342387 is about 340.1106531420.

The spelling of 39342387 in words is "thirty-nine million, three hundred forty-two thousand, three hundred eighty-seven".