3929669 has 8 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 3669696.

The previous prime is 3929657. The next prime is 3929671. The reversal of 3929669 is 9669293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3929669 is a prime.

It is a super-2 number, since 2×3929669² = 30884596899122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532 + ... + 3194.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^3929669 is an apocalyptic number.

It is an amenable number.

3929669 is a deficient number, since it is larger than the sum of its proper divisors (263611).

3929669 is a wasteful number, since it uses less digits than its factorization.

3929669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its digits is 157464, while the sum is 44.

The square root of 3929669 is about 1982.3392746954. The cubic root of 3929669 is about 157.8042359951.

The spelling of 3929669 in words is "three million, nine hundred twenty-nine thousand, six hundred sixty-nine".