9142928 has 10 divisors (see below), whose sum is σ = 17714454. Its totient is φ = 4571456.

The previous prime is 9142927. The next prime is 9142949. The reversal of 9142928 is 8292419.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 94864 = 3008^2 + 308^2 .

It is not an unprimeable number, because it can be changed into a prime (9142921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285701 + ... + 285732.

Almost surely, 2^9142928 is an apocalyptic number.

It is an amenable number.

9142928 is a deficient number, since it is larger than the sum of its proper divisors (8571526).

9142928 is a wasteful number, since it uses less digits than its factorization.

9142928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571441 (or 571435 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 9142928 is about 3023.7275009498. The cubic root of 9142928 is about 209.1037236117.

The spelling of 9142928 in words is "nine million, one hundred forty-two thousand, nine hundred twenty-eight".