9780537 has 24 divisors (see below), whose sum is σ = 14335488. Its totient is φ = 5928000.

The previous prime is 9780523. The next prime is 9780539. The reversal of 9780537 is 7350879.

It is not a de Polignac number, because 9780537 - 2⁴ = 9780521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 9780495 and 9780504.

It is not an unprimeable number, because it can be changed into a prime (9780539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51112 + ... + 51302.

It is an arithmetic number, because the mean of its divisors is an integer number (597312).

Almost surely, 2^9780537 is an apocalyptic number.

It is an amenable number.

9780537 is a deficient number, since it is larger than the sum of its proper divisors (4554951).

9780537 is a wasteful number, since it uses less digits than its factorization.

9780537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 9780537 is about 3127.3850098765. The cubic root of 9780537 is about 213.8557344262.

The spelling of 9780537 in words is "nine million, seven hundred eighty thousand, five hundred thirty-seven".