9778232 has 8 divisors (see below), whose sum is σ = 18334200. Its totient is φ = 4889112.

The previous prime is 9778231. The next prime is 9778253. The reversal of 9778232 is 2328779.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9778232² = 191227642091648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611132 + ... + 611147.

It is an arithmetic number, because the mean of its divisors is an integer number (2291775).

Almost surely, 2^9778232 is an apocalyptic number.

It is an amenable number.

9778232 is a deficient number, since it is larger than the sum of its proper divisors (8555968).

9778232 is a wasteful number, since it uses less digits than its factorization.

9778232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222285 (or 1222281 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 9778232 is about 3127.0164694162. The cubic root of 9778232 is about 213.8389331607.

The spelling of 9778232 in words is "nine million, seven hundred seventy-eight thousand, two hundred thirty-two".