97491000 has 64 divisors (see below), whose sum is σ = 304181280. Its totient is φ = 25996800.

The previous prime is 97490969. The next prime is 97491013. The reversal of 97491000 is 19479.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13249 + ... + 19248.

Almost surely, 2^97491000 is an apocalyptic number.

It is an amenable number.

97491000 is an abundant number, since it is smaller than the sum of its proper divisors (206690280).

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

97491000 is a wasteful number, since it uses less digits than its factorization.

97491000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32521 (or 32507 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 97491000 is about 9873.7530858332. The cubic root of 97491000 is about 460.2440418991.

The spelling of 97491000 in words is "ninety-seven million, four hundred ninety-one thousand".