1956419 has 2 divisors, whose sum is σ = 1956420. Its totient is φ = 1956418.

The previous prime is 1956391. The next prime is 1956431. The reversal of 1956419 is 9146591.

It is a strong prime.

It is an emirp because it is prime and its reverse (9146591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1956419 - 2¹² = 1952323 is a prime.

It is a super-2 number, since 2×1956419² = 7655150607122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1956439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978209 + 978210.

It is an arithmetic number, because the mean of its divisors is an integer number (978210).

2^1956419 is an apocalyptic number.

1956419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1956419 is an equidigital number, since it uses as much as digits as its factorization.

1956419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 1956419 is about 1398.7204867306. The cubic root of 1956419 is about 125.0702325317.

The spelling of 1956419 in words is "one million, nine hundred fifty-six thousand, four hundred nineteen".