97019860 has 48 divisors (see below), whose sum is σ = 234460800. Its totient is φ = 33033600.

The previous prime is 97019849. The next prime is 97019861. The reversal of 97019860 is 6891079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97019861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18535 + ... + 23185.

It is an arithmetic number, because the mean of its divisors is an integer number (4884600).

Almost surely, 2^97019860 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 97019860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117230400).

97019860 is an abundant number, since it is smaller than the sum of its proper divisors (137440940).

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

97019860 is a wasteful number, since it uses less digits than its factorization.

97019860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 97019860 is about 9849.8659889361. The cubic root of 97019860 is about 459.5014447303.

It can be divided in two parts, 97019 and 860, that added together give a palindrome (97879).

The spelling of 97019860 in words is "ninety-seven million, nineteen thousand, eight hundred sixty".