3929769 has 8 divisors (see below), whose sum is σ = 5821920. Its totient is φ = 2619828.

The previous prime is 3929753. The next prime is 3929773. The reversal of 3929769 is 9679293.

It is not a de Polignac number, because 3929769 - 2⁴ = 3929753 is a prime.

It is a super-2 number, since 2×3929769² = 30886168786722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3929719) 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, 72747 + ... + 72800.

It is an arithmetic number, because the mean of its divisors is an integer number (727740).

Almost surely, 2^3929769 is an apocalyptic number.

It is an amenable number.

3929769 is a deficient number, since it is larger than the sum of its proper divisors (1892151).

3929769 is a wasteful number, since it uses less digits than its factorization.

3929769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145556 (or 145550 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 3929769 is about 1982.3644972608. The cubic root of 3929769 is about 157.8055745548.

The spelling of 3929769 in words is "three million, nine hundred twenty-nine thousand, seven hundred sixty-nine".