3969463 has 4 divisors (see below), whose sum is σ = 3980880. Its totient is φ = 3958048.

The previous prime is 3969451. The next prime is 3969467. The reversal of 3969463 is 3649693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3969463 - 2¹³ = 3961271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3969467) 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 3 ways as a sum of consecutive naturals, for example, 5170 + ... + 5887.

It is an arithmetic number, because the mean of its divisors is an integer number (995220).

Almost surely, 2^3969463 is an apocalyptic number.

3969463 is a deficient number, since it is larger than the sum of its proper divisors (11417).

3969463 is a wasteful number, since it uses less digits than its factorization.

3969463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416.

The product of its digits is 104976, while the sum is 40.

The square root of 3969463 is about 1992.3511236727. The cubic root of 3969463 is about 158.3351189703.

The spelling of 3969463 in words is "three million, nine hundred sixty-nine thousand, four hundred sixty-three".