56789898 has 96 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 15507360.

The previous prime is 56789897. The next prime is 56789899. The reversal of 56789898 is 89898765.

It is a happy number.

56789898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (56789897) and next prime (56789899).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56789897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317173 + ... + 317351.

It is an arithmetic number, because the mean of its divisors is an integer number (1436400).

Almost surely, 2^56789898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56789898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

56789898 is an abundant number, since it is smaller than the sum of its proper divisors (81104502).

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

56789898 is a wasteful number, since it uses less digits than its factorization.

56789898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 237 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The square root of 56789898 is about 7535.9072446521. The cubic root of 56789898 is about 384.3766784513.

It can be divided in two parts, 5678 and 9898, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 56789898 in words is "fifty-six million, seven hundred eighty-nine thousand, eight hundred ninety-eight".