97763240 has 16 divisors (see below), whose sum is σ = 219967380. Its totient is φ = 39105280.

The previous prime is 97763233. The next prime is 97763249. The reversal of 97763240 is 4236779.

It can be written as a sum of positive squares in 2 ways, for example, as 97574884 + 188356 = 9878^2 + 434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97763194 and 97763203.

It is not an unprimeable number, because it can be changed into a prime (97763249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222001 + ... + 1222080.

Almost surely, 2^97763240 is an apocalyptic number.

It is an amenable number.

97763240 is an abundant number, since it is smaller than the sum of its proper divisors (122204140).

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

97763240 is a wasteful number, since it uses less digits than its factorization.

97763240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444092 (or 2444088 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 97763240 is about 9887.5295195514. The cubic root of 97763240 is about 460.6720485515.

The spelling of 97763240 in words is "ninety-seven million, seven hundred sixty-three thousand, two hundred forty".