97498440 has 192 divisors, whose sum is σ = 346731840. Its totient is φ = 23616000.

The previous prime is 97498439. The next prime is 97498459. The reversal of 97498440 is 4489479.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388315 + ... + 388565.

It is an arithmetic number, because the mean of its divisors is an integer number (1805895).

Almost surely, 2^97498440 is an apocalyptic number.

97498440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97498440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173365920).

97498440 is an abundant number, since it is smaller than the sum of its proper divisors (249233400).

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

97498440 is a wasteful number, since it uses less digits than its factorization.

97498440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 97498440 is about 9874.1298350791. The cubic root of 97498440 is about 460.2557494023.

The spelling of 97498440 in words is "ninety-seven million, four hundred ninety-eight thousand, four hundred forty".