9780090 has 32 divisors (see below), whose sum is σ = 23918976. Its totient is φ = 2558400.

The previous prime is 9780059. The next prime is 9780091. The reversal of 9780090 is 900879.

It is not an unprimeable number, because it can be changed into a prime (9780091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (747468).

Almost surely, 2^9780090 is an apocalyptic number.

9780090 is an abundant number, since it is smaller than the sum of its proper divisors (14138886).

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

9780090 is a wasteful number, since it uses less digits than its factorization.

9780090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 9780090 is about 3127.3135436026. The cubic root of 9780090 is about 213.8524764261.

The spelling of 9780090 in words is "nine million, seven hundred eighty thousand, ninety".