1029620850 has 24 divisors (see below), whose sum is σ = 2553460080. Its totient is φ = 274565520.

The previous prime is 1029620821. The next prime is 1029620873. The reversal of 1029620850 is 580269201.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3431920 + ... + 3432219.

It is an arithmetic number, because the mean of its divisors is an integer number (106394170).

Almost surely, 2^1029620850 is an apocalyptic number.

1029620850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1029620850 is an abundant number, since it is smaller than the sum of its proper divisors (1523839230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1029620850 is a wasteful number, since it uses less digits than its factorization.

1029620850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864154 (or 6864149 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1029620850 is about 32087.7055895245. The cubic root of 1029620850 is about 1009.7777016236. Note that the first 4 decimals are identical.

The spelling of 1029620850 in words is "one billion, twenty-nine million, six hundred twenty thousand, eight hundred fifty".