97495440 has 160 divisors (see below), whose sum is σ = 348834816. Its totient is φ = 22064640.

The previous prime is 97495439. The next prime is 97495451. The reversal of 97495440 is 4459479.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 97495392 and 97495401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219859 + ... + 220301.

Almost surely, 2^97495440 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 97495440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174417408).

97495440 is an abundant number, since it is smaller than the sum of its proper divisors (251339376).

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

97495440 is a wasteful number, since it uses less digits than its factorization.

97495440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 97495440 is about 9873.9779217902. The cubic root of 97495440 is about 460.2510287065.

The spelling of 97495440 in words is "ninety-seven million, four hundred ninety-five thousand, four hundred forty".