1099930 has 16 divisors (see below), whose sum is σ = 2132424. Its totient is φ = 406080.

The previous prime is 1099927. The next prime is 1099933. The reversal of 1099930 is 399901.

It is an interprime number because it is at equal distance from previous prime (1099927) and next prime (1099933).

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 229441 = 933^2 + 479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1099892 and 1099901.

It is not an unprimeable number, because it can be changed into a prime (1099933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4101 + ... + 4360.

2^1099930 is an apocalyptic number.

1099930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1099930 is a deficient number, since it is larger than the sum of its proper divisors (1032494).

1099930 is a wasteful number, since it uses less digits than its factorization.

1099930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 1099930 is about 1048.7754764486. The cubic root of 1099930 is about 103.2258218141.

The spelling of 1099930 in words is "one million, ninety-nine thousand, nine hundred thirty".