798602640 has 160 divisors (see below), whose sum is σ = 2725646976. Its totient is φ = 191815680.

The previous prime is 798602621. The next prime is 798602641. The reversal of 798602640 is 46206897.

It is a super-2 number, since 2×798602640² = 1275532353229939200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 798602592 and 798602601.

It is not an unprimeable number, because it can be changed into a prime (798602641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296982 + ... + 299658.

Almost surely, 2^798602640 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 798602640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362823488).

798602640 is an abundant number, since it is smaller than the sum of its proper divisors (1927044336).

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

798602640 is a wasteful number, since it uses less digits than its factorization.

798602640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 798602640 is about 28259.5583829613. The cubic root of 798602640 is about 927.7769541734.

It can be divided in two parts, 79860 and 2640, that multiplied together give a square (210830400 = 14520²).

The spelling of 798602640 in words is "seven hundred ninety-eight million, six hundred two thousand, six hundred forty".