1004993830 has 16 divisors (see below), whose sum is σ = 1812921264. Its totient is φ = 401123680.

The previous prime is 1004993827. The next prime is 1004993831. The reversal of 1004993830 is 383994001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004993830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004993831) 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, 104392 + ... + 113611.

It is an arithmetic number, because the mean of its divisors is an integer number (113307579).

Almost surely, 2^1004993830 is an apocalyptic number.

1004993830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1004993830 is a deficient number, since it is larger than the sum of its proper divisors (807927434).

1004993830 is a wasteful number, since it uses less digits than its factorization.

1004993830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218471.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1004993830 is about 31701.6376548594. The cubic root of 1004993830 is about 1001.6618467356.

It can be divided in two parts, 100499 and 3830, that added together give a square (104329 = 323²).

The spelling of 1004993830 in words is "one billion, four million, nine hundred ninety-three thousand, eight hundred thirty".