3478697 has 2 divisors, whose sum is σ = 3478698. Its totient is φ = 3478696.

The previous prime is 3478687. The next prime is 3478721. The reversal of 3478697 is 7968743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 15376 = 1861^2 + 124^2 .

It is an emirp because it is prime and its reverse (7968743) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3478697 is a prime.

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, 1739348 + 1739349.

It is an arithmetic number, because the mean of its divisors is an integer number (1739349).

Almost surely, 2^3478697 is an apocalyptic number.

It is an amenable number.

3478697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478697 is an equidigital number, since it uses as much as digits as its factorization.

3478697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 3478697 is about 1865.1265372623. The cubic root of 3478697 is about 151.5207812409.

The spelling of 3478697 in words is "three million, four hundred seventy-eight thousand, six hundred ninety-seven".