97499040 has 96 divisors (see below), whose sum is σ = 308810880. Its totient is φ = 25857024.

The previous prime is 97499011. The next prime is 97499053. The reversal of 97499040 is 4099479.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 97498983 and 97499001.

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, 109477 + ... + 110363.

It is an arithmetic number, because the mean of its divisors is an integer number (3216780).

Almost surely, 2^97499040 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 97499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154405440).

97499040 is an abundant number, since it is smaller than the sum of its proper divisors (211311840).

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

97499040 is a wasteful number, since it uses less digits than its factorization.

97499040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 97499040 is about 9874.1602174565. The cubic root of 97499040 is about 460.2566935298.

The spelling of 97499040 in words is "ninety-seven million, four hundred ninety-nine thousand, forty".