3949047 has 32 divisors (see below), whose sum is σ = 6201600. Its totient is φ = 2480544.

The previous prime is 3949039. The next prime is 3949051. The reversal of 3949047 is 7409493.

It is not a de Polignac number, because 3949047 - 2³ = 3949039 is a prime.

It is a super-3 number, since 3×3949047³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949007) 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 31 ways as a sum of consecutive naturals, for example, 58908 + ... + 58974.

It is an arithmetic number, because the mean of its divisors is an integer number (193800).

Almost surely, 2^3949047 is an apocalyptic number.

3949047 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3949047 is a deficient number, since it is larger than the sum of its proper divisors (2252553).

3949047 is a wasteful number, since it uses less digits than its factorization.

3949047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3949047 is about 1987.2209238029. The cubic root of 3949047 is about 158.0631990938.

The spelling of 3949047 in words is "three million, nine hundred forty-nine thousand, forty-seven".