9428555 has 4 divisors (see below), whose sum is σ = 11314272. Its totient is φ = 7542840.

The previous prime is 9428543. The next prime is 9428563. The reversal of 9428555 is 5558249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5558249 = 23 ⋅241663.

It is not a de Polignac number, because 9428555 - 2⁴ = 9428539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942851 + ... + 942860.

It is an arithmetic number, because the mean of its divisors is an integer number (2828568).

Almost surely, 2^9428555 is an apocalyptic number.

9428555 is a deficient number, since it is larger than the sum of its proper divisors (1885717).

9428555 is a wasteful number, since it uses less digits than its factorization.

9428555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885716.

The product of its digits is 72000, while the sum is 38.

The square root of 9428555 is about 3070.5952191717. The cubic root of 9428555 is about 211.2589156281.

The spelling of 9428555 in words is "nine million, four hundred twenty-eight thousand, five hundred fifty-five".