9780894 has 12 divisors (see below), whose sum is σ = 21191976. Its totient is φ = 3260292.

The previous prime is 9780893. The next prime is 9780931. The reversal of 9780894 is 4980879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9780893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271674 + ... + 271709.

It is an arithmetic number, because the mean of its divisors is an integer number (1765998).

Almost surely, 2^9780894 is an apocalyptic number.

9780894 is an abundant number, since it is smaller than the sum of its proper divisors (11411082).

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

9780894 is a wasteful number, since it uses less digits than its factorization.

9780894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543391 (or 543388 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 9780894 is about 3127.4420857947. The cubic root of 9780894 is about 213.8583363817.

The spelling of 9780894 in words is "nine million, seven hundred eighty thousand, eight hundred ninety-four".