8450740 has 12 divisors (see below), whose sum is σ = 17746596. Its totient is φ = 3380288.

The previous prime is 8450719. The next prime is 8450749. The reversal of 8450740 is 470548.

It can be written as a sum of positive squares in 2 ways, for example, as 4787344 + 3663396 = 2188^2 + 1914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8450699 and 8450708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8450749) 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, 211249 + ... + 211288.

It is an arithmetic number, because the mean of its divisors is an integer number (1478883).

Almost surely, 2^8450740 is an apocalyptic number.

It is an amenable number.

8450740 is an abundant number, since it is smaller than the sum of its proper divisors (9295856).

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

8450740 is a wasteful number, since it uses less digits than its factorization.

8450740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422546 (or 422544 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 8450740 is about 2907.0156518326. The cubic root of 8450740 is about 203.6877511923.

The spelling of 8450740 in words is "eight million, four hundred fifty thousand, seven hundred forty".