3427939 has 4 divisors (see below), whose sum is σ = 3520624. Its totient is φ = 3335256.

The previous prime is 3427933. The next prime is 3427967. The reversal of 3427939 is 9397243.

3427939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3427939 - 2⁷ = 3427811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 92647 = 3427939 / (3 + 4 + 2 + 7 + 9 + 3 + 9).

3427939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3427898 and 3427907.

It is not an unprimeable number, because it can be changed into a prime (3427933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46287 + ... + 46360.

It is an arithmetic number, because the mean of its divisors is an integer number (880156).

Almost surely, 2^3427939 is an apocalyptic number.

3427939 is a deficient number, since it is larger than the sum of its proper divisors (92685).

3427939 is an equidigital number, since it uses as much as digits as its factorization.

3427939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92684.

The product of its digits is 40824, while the sum is 37.

The square root of 3427939 is about 1851.4694164366. The cubic root of 3427939 is about 150.7802161965.

It can be divided in two parts, 342 and 7939, that added together give a square (8281 = 91²).

The spelling of 3427939 in words is "three million, four hundred twenty-seven thousand, nine hundred thirty-nine".