8631045 has 12 divisors (see below), whose sum is σ = 14960556. Its totient is φ = 4603200.

The previous prime is 8631041. The next prime is 8631083. The reversal of 8631045 is 5401368.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 7584516 = 1023^2 + 2754^2 .

It is not a de Polignac number, because 8631045 - 2² = 8631041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8631041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95856 + ... + 95945.

It is an arithmetic number, because the mean of its divisors is an integer number (1246713).

Almost surely, 2^8631045 is an apocalyptic number.

It is an amenable number.

8631045 is a deficient number, since it is larger than the sum of its proper divisors (6329511).

8631045 is a wasteful number, since it uses less digits than its factorization.

8631045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191812 (or 191809 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8631045 is about 2937.8640199982. The cubic root of 8631045 is about 205.1261963418.

The spelling of 8631045 in words is "eight million, six hundred thirty-one thousand, forty-five".