39894105 has 8 divisors (see below), whose sum is σ = 63830592. Its totient is φ = 21276848.

The previous prime is 39894097. The next prime is 39894137. The reversal of 39894105 is 50149893.

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 39894105 - 2³ = 39894097 is a prime.

It is a super-2 number, since 2×39894105² = 3183079227502050, which contains 22 as substring.

It is a Curzon 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, 1329789 + ... + 1329818.

It is an arithmetic number, because the mean of its divisors is an integer number (7978824).

Almost surely, 2^39894105 is an apocalyptic number.

It is an amenable number.

39894105 is a deficient number, since it is larger than the sum of its proper divisors (23936487).

39894105 is a wasteful number, since it uses less digits than its factorization.

39894105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659615.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 39894105 is about 6316.1780373894. The cubic root of 39894105 is about 341.6931261153.

The spelling of 39894105 in words is "thirty-nine million, eight hundred ninety-four thousand, one hundred five".