1086919 has 2 divisors, whose sum is σ = 1086920. Its totient is φ = 1086918.

The previous prime is 1086913. The next prime is 1086923. The reversal of 1086919 is 9196801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1086919 - 2⁷ = 1086791 is a prime.

It is a super-2 number, since 2×1086919² = 2362785825122, which contains 22 as substring.

1086919 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543459 + 543460.

It is an arithmetic number, because the mean of its divisors is an integer number (543460).

2^1086919 is an apocalyptic number.

1086919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086919 is an equidigital number, since it uses as much as digits as its factorization.

1086919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1086919 is about 1042.5540753361. The cubic root of 1086919 is about 102.8171891598.

The spelling of 1086919 in words is "one million, eighty-six thousand, nine hundred nineteen".