8645046 has 16 divisors (see below), whose sum is σ = 17334000. Its totient is φ = 2874368.

The previous prime is 8645029. The next prime is 8645047. The reversal of 8645046 is 6405468.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8644998 and 8645016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8645047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (1083375).

Almost surely, 2^8645046 is an apocalyptic number.

8645046 is an abundant number, since it is smaller than the sum of its proper divisors (8688954).

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

8645046 is a wasteful number, since it uses less digits than its factorization.

8645046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 8645046 is about 2940.2459080832. The cubic root of 8645046 is about 205.2370527651.

It can be divided in two parts, 864 and 5046, that multiplied together give a square (4359744 = 2088²).

The spelling of 8645046 in words is "eight million, six hundred forty-five thousand, forty-six".