1036691 has 4 divisors (see below), whose sum is σ = 1052232. Its totient is φ = 1021152.

The previous prime is 1036681. The next prime is 1036729. The reversal of 1036691 is 1966301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1036691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1036691.

It is not an unprimeable number, because it can be changed into a prime (1036631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7670 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (263058).

2^1036691 is an apocalyptic number.

1036691 is a deficient number, since it is larger than the sum of its proper divisors (15541).

1036691 is an equidigital number, since it uses as much as digits as its factorization.

1036691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1036691 is about 1018.1802394468. The cubic root of 1036691 is about 101.2083728693.

The spelling of 1036691 in words is "one million, thirty-six thousand, six hundred ninety-one".