1949359 has 2 divisors, whose sum is σ = 1949360. Its totient is φ = 1949358.

The previous prime is 1949357. The next prime is 1949371. The reversal of 1949359 is 9539491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1949359 - 2¹ = 1949357 is a prime.

Together with 1949357, it forms a pair of twin primes.

It is a Chen prime.

1949359 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1949357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974679 + 974680.

It is an arithmetic number, because the mean of its divisors is an integer number (974680).

2^1949359 is an apocalyptic number.

1949359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949359 is an equidigital number, since it uses as much as digits as its factorization.

1949359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 1949359 is about 1396.1944706953. The cubic root of 1949359 is about 124.9196069734.

The spelling of 1949359 in words is "one million, nine hundred forty-nine thousand, three hundred fifty-nine".