97283540 has 12 divisors (see below), whose sum is σ = 204295476. Its totient is φ = 38913408.

The previous prime is 97283539. The next prime is 97283573. The reversal of 97283540 is 4538279.

It can be written as a sum of positive squares in 2 ways, for example, as 74891716 + 22391824 = 8654^2 + 4732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 97283494 and 97283503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432069 + ... + 2432108.

It is an arithmetic number, because the mean of its divisors is an integer number (17024623).

Almost surely, 2^97283540 is an apocalyptic number.

It is an amenable number.

97283540 is an abundant number, since it is smaller than the sum of its proper divisors (107011936).

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

97283540 is a wasteful number, since it uses less digits than its factorization.

97283540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864186 (or 4864184 counting only the distinct ones).

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

The square root of 97283540 is about 9863.2418605649. The cubic root of 97283540 is about 459.9173449474.

The spelling of 97283540 in words is "ninety-seven million, two hundred eighty-three thousand, five hundred forty".