1036391 has 2 divisors, whose sum is σ = 1036392. Its totient is φ = 1036390.

The previous prime is 1036369. The next prime is 1036411. The reversal of 1036391 is 1936301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1036391 - 2⁶ = 1036327 is a prime.

It is a super-3 number, since 3×1036391³ = 3339582322265773413, which contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1036331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518195 + 518196.

It is an arithmetic number, because the mean of its divisors is an integer number (518196).

2^1036391 is an apocalyptic number.

1036391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036391 is an equidigital number, since it uses as much as digits as its factorization.

1036391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1036391 is about 1018.0329071302. The cubic root of 1036391 is about 101.1986092910.

The spelling of 1036391 in words is "one million, thirty-six thousand, three hundred ninety-one".