97835240 has 16 divisors (see below), whose sum is σ = 220129380. Its totient is φ = 39134080.

The previous prime is 97835219. The next prime is 97835249. The reversal of 97835240 is 4253879.

It can be written as a sum of positive squares in 2 ways, for example, as 91891396 + 5943844 = 9586^2 + 2438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97835194 and 97835203.

It is not an unprimeable number, because it can be changed into a prime (97835249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222901 + ... + 1222980.

Almost surely, 2^97835240 is an apocalyptic number.

It is an amenable number.

97835240 is an abundant number, since it is smaller than the sum of its proper divisors (122294140).

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

97835240 is a wasteful number, since it uses less digits than its factorization.

97835240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445892 (or 2445888 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 97835240 is about 9891.1697993716. The cubic root of 97835240 is about 460.7851116629.

The spelling of 97835240 in words is "ninety-seven million, eight hundred thirty-five thousand, two hundred forty".