8534428 has 18 divisors (see below), whose sum is σ = 17374056. Its totient is φ = 3657528.

The previous prime is 8534423. The next prime is 8534429. The reversal of 8534428 is 8244358.

It is a super-2 number, since 2×8534428² = 145672922574368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8534393 and 8534402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21576 + ... + 21967.

Almost surely, 2^8534428 is an apocalyptic number.

It is an amenable number.

8534428 is an abundant number, since it is smaller than the sum of its proper divisors (8839628).

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

8534428 is a wasteful number, since it uses less digits than its factorization.

8534428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43561 (or 43552 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 8534428 is about 2921.3743341106. The cubic root of 8534428 is about 204.3579196542.

The spelling of 8534428 in words is "eight million, five hundred thirty-four thousand, four hundred twenty-eight".