1828491830 has 32 divisors (see below), whose sum is σ = 3599533728. Its totient is φ = 663232000.

The previous prime is 1828491811. The next prime is 1828491839. The reversal of 1828491830 is 381948281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828491839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23384 + ... + 64836.

It is an arithmetic number, because the mean of its divisors is an integer number (112485429).

Almost surely, 2^1828491830 is an apocalyptic number.

1828491830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1828491830 is a deficient number, since it is larger than the sum of its proper divisors (1771041898).

1828491830 is a wasteful number, since it uses less digits than its factorization.

1828491830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41872.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 1828491830 is about 42760.8679752879. The cubic root of 1828491830 is about 1222.8250910334.

The spelling of 1828491830 in words is "one billion, eight hundred twenty-eight million, four hundred ninety-one thousand, eight hundred thirty".