3215879 has 2 divisors, whose sum is σ = 3215880. Its totient is φ = 3215878.

The previous prime is 3215833. The next prime is 3215893. The reversal of 3215879 is 9785123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3215879 - 2⁸ = 3215623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3215809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607939 + 1607940.

It is an arithmetic number, because the mean of its divisors is an integer number (1607940).

Almost surely, 2^3215879 is an apocalyptic number.

3215879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215879 is an equidigital number, since it uses as much as digits as its factorization.

3215879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 3215879 is about 1793.2872051069. The cubic root of 3215879 is about 147.6046026184.

The spelling of 3215879 in words is "three million, two hundred fifteen thousand, eight hundred seventy-nine".