3940705 has 8 divisors (see below), whose sum is σ = 4934592. Its totient is φ = 3015408.

The previous prime is 3940697. The next prime is 3940721. The reversal of 3940705 is 5070493.

3940705 = T₁₂₅₃ + T₁₂₅₄ + ... + T₁₂₅₇.

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 3940705 - 2³ = 3940697 is a prime.

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, 17019 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (616824).

Almost surely, 2^3940705 is an apocalyptic number.

It is an amenable number.

3940705 is a deficient number, since it is larger than the sum of its proper divisors (993887).

3940705 is a wasteful number, since it uses less digits than its factorization.

3940705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34295.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 3940705 is about 1985.1209031190. The cubic root of 3940705 is about 157.9518226236.

The spelling of 3940705 in words is "three million, nine hundred forty thousand, seven hundred five".