3909473 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 3494400.

The previous prime is 3909469. The next prime is 3909481. The reversal of 3909473 is 3749093.

It is a cyclic number.

It is not a de Polignac number, because 3909473 - 2² = 3909469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3909463) 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 15 ways as a sum of consecutive naturals, for example, 49448 + ... + 49526.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^3909473 is an apocalyptic number.

It is an amenable number.

3909473 is a deficient number, since it is larger than the sum of its proper divisors (445087).

3909473 is a wasteful number, since it uses less digits than its factorization.

3909473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3909473 is about 1977.2387311602. The cubic root of 3909473 is about 157.5334337354.

The spelling of 3909473 in words is "three million, nine hundred nine thousand, four hundred seventy-three".