9428859 has 32 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 5597280.

The previous prime is 9428851. The next prime is 9428879. The reversal of 9428859 is 9588249.

It is not a de Polignac number, because 9428859 - 2³ = 9428851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9428851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15442 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^9428859 is an apocalyptic number.

9428859 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9428859 is a deficient number, since it is larger than the sum of its proper divisors (6123141).

9428859 is a wasteful number, since it uses less digits than its factorization.

9428859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 666 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9428859 is about 3070.6447205758. The cubic root of 9428859 is about 211.2611861075.

It can be divided in two parts, 942 and 8859, that added together give a square (9801 = 99²).

The spelling of 9428859 in words is "nine million, four hundred twenty-eight thousand, eight hundred fifty-nine".