8432945 has 16 divisors (see below), whose sum is σ = 10540992. Its totient is φ = 6471360.

The previous prime is 8432933. The next prime is 8432951. The reversal of 8432945 is 5492348.

It is not a de Polignac number, because 8432945 - 2⁸ = 8432689 is a prime.

It is a super-2 number, since 2×8432945² = 142229122746050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁵ + 4⁶ + 3⁵ + 2²³ + 9 + 4⁶ + 5⁵ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12794 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (658812).

Almost surely, 2^8432945 is an apocalyptic number.

It is an amenable number.

8432945 is a deficient number, since it is larger than the sum of its proper divisors (2108047).

8432945 is a wasteful number, since it uses less digits than its factorization.

8432945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752.

The product of its digits is 34560, while the sum is 35.

The square root of 8432945 is about 2903.9533398455. The cubic root of 8432945 is about 203.5446800658.

The spelling of 8432945 in words is "eight million, four hundred thirty-two thousand, nine hundred forty-five".