3929457 has 12 divisors (see below), whose sum is σ = 6094896. Its totient is φ = 2245320.

The previous prime is 3929449. The next prime is 3929461. The reversal of 3929457 is 7549293.

It is not a de Polignac number, because 3929457 - 2³ = 3929449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3929407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13219 + ... + 13512.

It is an arithmetic number, because the mean of its divisors is an integer number (507908).

Almost surely, 2^3929457 is an apocalyptic number.

It is an amenable number.

3929457 is a deficient number, since it is larger than the sum of its proper divisors (2165439).

3929457 is a wasteful number, since it uses less digits than its factorization.

3929457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26748 (or 26741 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 3929457 is about 1982.2858017955. The cubic root of 3929457 is about 157.8013981734.

The spelling of 3929457 in words is "three million, nine hundred twenty-nine thousand, four hundred fifty-seven".