3478687 has 2 divisors, whose sum is σ = 3478688. Its totient is φ = 3478686.

The previous prime is 3478679. The next prime is 3478697. The reversal of 3478687 is 7868743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3478687 - 2³ = 3478679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3478627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739343 + 1739344.

It is an arithmetic number, because the mean of its divisors is an integer number (1739344).

Almost surely, 2^3478687 is an apocalyptic number.

3478687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478687 is an equidigital number, since it uses as much as digits as its factorization.

3478687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The square root of 3478687 is about 1865.1238564771. The cubic root of 3478687 is about 151.5206360516.

The spelling of 3478687 in words is "three million, four hundred seventy-eight thousand, six hundred eighty-seven".