3486979 has 2 divisors, whose sum is σ = 3486980. Its totient is φ = 3486978.

The previous prime is 3486971. The next prime is 3486997. The reversal of 3486979 is 9796843.

Together with next prime (3486997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3486979 - 2³ = 3486971 is a prime.

3486979 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3486971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743489 + 1743490.

It is an arithmetic number, because the mean of its divisors is an integer number (1743490).

Almost surely, 2^3486979 is an apocalyptic number.

3486979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486979 is an equidigital number, since it uses as much as digits as its factorization.

3486979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 3486979 is about 1867.3454420648. The cubic root of 3486979 is about 151.6409316450.

It can be divided in two parts, 3486 and 979, that added together give a triangular number (4465 = T₉₄).

The spelling of 3486979 in words is "three million, four hundred eighty-six thousand, nine hundred seventy-nine".