1798574620 has 12 divisors (see below), whose sum is σ = 3777006744. Its totient is φ = 719429840.

The previous prime is 1798574597. The next prime is 1798574621. The reversal of 1798574620 is 264758971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798574621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44964346 + ... + 44964385.

It is an arithmetic number, because the mean of its divisors is an integer number (314750562).

Almost surely, 2^1798574620 is an apocalyptic number.

1798574620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1798574620 is an abundant number, since it is smaller than the sum of its proper divisors (1978432124).

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

1798574620 is a wasteful number, since it uses less digits than its factorization.

1798574620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89928740 (or 89928738 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1798574620 is about 42409.6052799363. The cubic root of 1798574620 is about 1216.1192236158.

The spelling of 1798574620 in words is "one billion, seven hundred ninety-eight million, five hundred seventy-four thousand, six hundred twenty".