1097863 has 8 divisors (see below), whose sum is σ = 1198400. Its totient is φ = 999648.

The previous prime is 1097861. The next prime is 1097869. The reversal of 1097863 is 3687901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1097863 - 2¹ = 1097861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (149800).

2^1097863 is an apocalyptic number.

1097863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1097863 is a deficient number, since it is larger than the sum of its proper divisors (100537).

1097863 is a wasteful number, since it uses less digits than its factorization.

1097863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1097863 is about 1047.7895781119. The cubic root of 1097863 is about 103.1611202520.

The spelling of 1097863 in words is "one million, ninety-seven thousand, eight hundred sixty-three".