8920434 has 16 divisors (see below), whose sum is σ = 17911872. Its totient is φ = 2961648.

The previous prime is 8920433. The next prime is 8920463. The reversal of 8920434 is 4340298.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8920433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (1119492).

Almost surely, 2^8920434 is an apocalyptic number.

8920434 is an abundant number, since it is smaller than the sum of its proper divisors (8991438).

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

8920434 is a wasteful number, since it uses less digits than its factorization.

8920434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8920434 is about 2986.7095607039. The cubic root of 8920434 is about 207.3935894131.

The spelling of 8920434 in words is "eight million, nine hundred twenty thousand, four hundred thirty-four".