3427687 has 2 divisors, whose sum is σ = 3427688. Its totient is φ = 3427686.

The previous prime is 3427673. The next prime is 3427691. The reversal of 3427687 is 7867243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3427687 - 2¹⁹ = 2903399 is a prime.

It is a d-powerful number, because it can be written as 3 + 4¹⁰ + 2 + 7⁶ + 6⁶ + 8⁷ + 7⁶ .

3427687 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3427607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713843 + 1713844.

It is an arithmetic number, because the mean of its divisors is an integer number (1713844).

Almost surely, 2^3427687 is an apocalyptic number.

3427687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427687 is an equidigital number, since it uses as much as digits as its factorization.

3427687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 3427687 is about 1851.4013611316. The cubic root of 3427687 is about 150.7765213091.

It can be divided in two parts, 3427 and 687, that added together give a palindrome (4114).

The spelling of 3427687 in words is "three million, four hundred twenty-seven thousand, six hundred eighty-seven".