39379705 has 8 divisors (see below), whose sum is σ = 47427912. Its totient is φ = 31388928.

The previous prime is 39379663. The next prime is 39379757. The reversal of 39379705 is 50797393.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 39075001 = 552^2 + 6251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39379705 - 2¹⁷ = 39248633 is a prime.

It is a super-2 number, since 2×39379705² = 3101522331774050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12832 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (5928489).

Almost surely, 2^39379705 is an apocalyptic number.

It is an amenable number.

39379705 is a deficient number, since it is larger than the sum of its proper divisors (8048207).

39379705 is a wasteful number, since it uses less digits than its factorization.

39379705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28715.

The product of its (nonzero) digits is 178605, while the sum is 43.

The square root of 39379705 is about 6275.3250911805. The cubic root of 39379705 is about 340.2181558414.

The spelling of 39379705 in words is "thirty-nine million, three hundred seventy-nine thousand, seven hundred five".