1906379 has 2 divisors, whose sum is σ = 1906380. Its totient is φ = 1906378.

The previous prime is 1906361. The next prime is 1906381. The reversal of 1906379 is 9736091.

It is a strong prime.

It is an emirp because it is prime and its reverse (9736091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1906379 - 2⁸ = 1906123 is a prime.

It is a Sophie Germain prime.

Together with 1906381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1906579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953189 + 953190.

It is an arithmetic number, because the mean of its divisors is an integer number (953190).

2^1906379 is an apocalyptic number.

1906379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906379 is an equidigital number, since it uses as much as digits as its factorization.

1906379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1906379 is about 1380.7168428030. The cubic root of 1906379 is about 123.9946884648.

The spelling of 1906379 in words is "one million, nine hundred six thousand, three hundred seventy-nine".