1008730 has 16 divisors (see below), whose sum is σ = 1830600. Its totient is φ = 400192.

The previous prime is 1008719. The next prime is 1008743. The reversal of 1008730 is 378001.

1008730 = 99² + 100² + ... + 158².

It can be written as a sum of positive squares in 4 ways, for example, as 904401 + 104329 = 951^2 + 323^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1008698 and 1008707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152 + ... + 1828.

2^1008730 is an apocalyptic number.

1008730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1008730 is a deficient number, since it is larger than the sum of its proper divisors (821870).

1008730 is a wasteful number, since it uses less digits than its factorization.

1008730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1008730 is about 1004.3555147457. The cubic root of 1008730 is about 100.2901572733.

The spelling of 1008730 in words is "one million, eight thousand, seven hundred thirty".