1005697 has 16 divisors (see below), whose sum is σ = 1291392. Its totient is φ = 760320.

The previous prime is 1005679. The next prime is 1005701. The reversal of 1005697 is 7965001.

It is a happy number.

It is not a de Polignac number, because 1005697 - 2¹⁹ = 481409 is a prime.

It is a super-2 number, since 2×1005697² = 2022852911618, which contains 22 as substring.

It is a deceptive number, since it divides R_1005696.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2673 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (80712).

2^1005697 is an apocalyptic number.

It is an amenable number.

1005697 is a deficient number, since it is larger than the sum of its proper divisors (285695).

1005697 is a wasteful number, since it uses less digits than its factorization.

1005697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1005697 is about 1002.8444545392. The cubic root of 1005697 is about 100.1895405169.

It can be divided in two parts, 100569 and 7, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 1005697 in words is "one million, five thousand, six hundred ninety-seven".