3934985 has 16 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 2982720.

The previous prime is 3934979. The next prime is 3934991. The reversal of 3934985 is 5894393.

It is an interprime number because it is at equal distance from previous prime (3934979) and next prime (3934991).

It is not a de Polignac number, because 3934985 - 2¹⁰ = 3933961 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7976 + ... + 8454.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^3934985 is an apocalyptic number.

It is an amenable number.

3934985 is a deficient number, since it is larger than the sum of its proper divisors (1041655).

3934985 is a wasteful number, since it uses less digits than its factorization.

3934985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 116640, while the sum is 41.

The square root of 3934985 is about 1983.6796616389. The cubic root of 3934985 is about 157.8753623693.

The spelling of 3934985 in words is "three million, nine hundred thirty-four thousand, nine hundred eighty-five".