39706018 has 8 divisors (see below), whose sum is σ = 64973520. Its totient is φ = 18048180.

The previous prime is 39706013. The next prime is 39706021. The reversal of 39706018 is 81060793.

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

It is not an unprimeable number, because it can be changed into a prime (39706013) 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, 902388 + ... + 902431.

It is an arithmetic number, because the mean of its divisors is an integer number (8121690).

Almost surely, 2^39706018 is an apocalyptic number.

39706018 is a deficient number, since it is larger than the sum of its proper divisors (25267502).

39706018 is a wasteful number, since it uses less digits than its factorization.

39706018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804832.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 39706018 is about 6301.2711416031. The cubic root of 39706018 is about 341.1552914239.

The spelling of 39706018 in words is "thirty-nine million, seven hundred six thousand, eighteen".