97490288 has 80 divisors (see below), whose sum is σ = 228366336. Its totient is φ = 39432960.

The previous prime is 97490287. The next prime is 97490303. The reversal of 97490288 is 88209479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97490287) 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, 148970 + ... + 149622.

Almost surely, 2^97490288 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 97490288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114183168).

97490288 is an abundant number, since it is smaller than the sum of its proper divisors (130876048).

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

97490288 is a wasteful number, since it uses less digits than its factorization.

97490288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 97490288 is about 9873.7170305817. The cubic root of 97490288 is about 460.2429214724.

The spelling of 97490288 in words is "ninety-seven million, four hundred ninety thousand, two hundred eighty-eight".