3890879 has 2 divisors, whose sum is σ = 3890880. Its totient is φ = 3890878.

The previous prime is 3890863. The next prime is 3890927. The reversal of 3890879 is 9780983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3890879 - 2⁴ = 3890863 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3890819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945439 + 1945440.

It is an arithmetic number, because the mean of its divisors is an integer number (1945440).

Almost surely, 2^3890879 is an apocalyptic number.

3890879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3890879 is an equidigital number, since it uses as much as digits as its factorization.

3890879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 3890879 is about 1972.5311150905. The cubic root of 3890879 is about 157.2832863938.

The spelling of 3890879 in words is "three million, eight hundred ninety thousand, eight hundred seventy-nine".