798238740 has 192 divisors, whose sum is σ = 2619074304. Its totient is φ = 179822592.

The previous prime is 798238739. The next prime is 798238783. The reversal of 798238740 is 47832897.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 798238740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 489807 + ... + 491433.

It is an arithmetic number, because the mean of its divisors is an integer number (13641012).

Almost surely, 2^798238740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798238740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309537152).

798238740 is an abundant number, since it is smaller than the sum of its proper divisors (1820835564).

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

798238740 is a wasteful number, since it uses less digits than its factorization.

798238740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 798238740 is about 28253.1191198423. The cubic root of 798238740 is about 927.6360124374.

The spelling of 798238740 in words is "seven hundred ninety-eight million, two hundred thirty-eight thousand, seven hundred forty".