3909694 has 16 divisors (see below), whose sum is σ = 6318000. Its totient is φ = 1807744.

The previous prime is 3909691. The next prime is 3909707. The reversal of 3909694 is 4969093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032 + ... + 2980.

It is an arithmetic number, because the mean of its divisors is an integer number (394875).

Almost surely, 2^3909694 is an apocalyptic number.

3909694 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3909694 is a deficient number, since it is larger than the sum of its proper divisors (2408306).

3909694 is a wasteful number, since it uses less digits than its factorization.

3909694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3909694 is about 1977.2946163888. The cubic root of 3909694 is about 157.5364021008.

The spelling of 3909694 in words is "three million, nine hundred nine thousand, six hundred ninety-four".