1097816 has 16 divisors (see below), whose sum is σ = 2109240. Its totient is φ = 535360.

The previous prime is 1097797. The next prime is 1097819. The reversal of 1097816 is 6187901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097819) 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, 1346 + ... + 2001.

2^1097816 is an apocalyptic number.

It is an amenable number.

1097816 is a deficient number, since it is larger than the sum of its proper divisors (1011424).

1097816 is a wasteful number, since it uses less digits than its factorization.

1097816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1097816 is about 1047.7671497046. The cubic root of 1097816 is about 103.1596481066.

The spelling of 1097816 in words is "one million, ninety-seven thousand, eight hundred sixteen".