798380154 has 192 divisors, whose sum is σ = 2133226368. Its totient is φ = 212544000.

The previous prime is 798380119. The next prime is 798380159. The reversal of 798380154 is 451083897.

It is not an unprimeable number, because it can be changed into a prime (798380159) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7904704 + ... + 7904804.

It is an arithmetic number, because the mean of its divisors is an integer number (11110554).

Almost surely, 2^798380154 is an apocalyptic number.

798380154 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 798380154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066613184).

798380154 is an abundant number, since it is smaller than the sum of its proper divisors (1334846214).

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

798380154 is a wasteful number, since it uses less digits than its factorization.

798380154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 798380154 is about 28255.6216353490. The cubic root of 798380154 is about 927.6907884364.

The spelling of 798380154 in words is "seven hundred ninety-eight million, three hundred eighty thousand, one hundred fifty-four".