1798097950 has 48 divisors (see below), whose sum is σ = 3684741840. Its totient is φ = 647360000.

The previous prime is 1798097911. The next prime is 1798097953. The reversal of 1798097950 is 597908971.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 1798097891 and 1798097900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798097953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39366 + ... + 71734.

It is an arithmetic number, because the mean of its divisors is an integer number (76765455).

Almost surely, 2^1798097950 is an apocalyptic number.

1798097950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1798097950 is an abundant number, since it is smaller than the sum of its proper divisors (1886643890).

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

1798097950 is a wasteful number, since it uses less digits than its factorization.

1798097950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32493 (or 32488 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 55.

The square root of 1798097950 is about 42403.9850721604. The cubic root of 1798097950 is about 1216.0117795020.

The spelling of 1798097950 in words is "one billion, seven hundred ninety-eight million, ninety-seven thousand, nine hundred fifty".