9850428 has 36 divisors (see below), whose sum is σ = 28457520. Its totient is φ = 2814336.

The previous prime is 9850427. The next prime is 9850433. The reversal of 9850428 is 8240589.

9850428 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9850392 and 9850401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9850427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19293 + ... + 19796.

Almost surely, 2^9850428 is an apocalyptic number.

It is an amenable number.

9850428 is an abundant number, since it is smaller than the sum of its proper divisors (18607092).

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

9850428 is a wasteful number, since it uses less digits than its factorization.

9850428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39106 (or 39101 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 9850428 is about 3138.5391506241. The cubic root of 9850428 is about 214.3639249747.

The spelling of 9850428 in words is "nine million, eight hundred fifty thousand, four hundred twenty-eight".