8453920 has 24 divisors (see below), whose sum is σ = 19972764. Its totient is φ = 3381504.

The previous prime is 8453909. The next prime is 8453923. The reversal of 8453920 is 293548.

It can be written as a sum of positive squares in 2 ways, for example, as 6906384 + 1547536 = 2628^2 + 1244^2 .

It is not an unprimeable number, because it can be changed into a prime (8453923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26259 + ... + 26578.

Almost surely, 2^8453920 is an apocalyptic number.

8453920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8453920 is an abundant number, since it is smaller than the sum of its proper divisors (11518844).

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

8453920 is a wasteful number, since it uses less digits than its factorization.

8453920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52852 (or 52844 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 8453920 is about 2907.5625530674. The cubic root of 8453920 is about 203.7132971137.

It can be divided in two parts, 845 and 3920, that multiplied together give a square (3312400 = 1820²).

The spelling of 8453920 in words is "eight million, four hundred fifty-three thousand, nine hundred twenty".