8303945 has 16 divisors (see below), whose sum is σ = 10984512. Its totient is φ = 5987520.

The previous prime is 8303941. The next prime is 8303957. The reversal of 8303945 is 5493038.

It is not a de Polignac number, because 8303945 - 2² = 8303941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8303941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1310 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (686532).

Almost surely, 2^8303945 is an apocalyptic number.

It is an amenable number.

8303945 is a deficient number, since it is larger than the sum of its proper divisors (2680567).

8303945 is a wasteful number, since it uses less digits than its factorization.

8303945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 8303945 is about 2881.6566415866. The cubic root of 8303945 is about 202.5014581006.

The spelling of 8303945 in words is "eight million, three hundred three thousand, nine hundred forty-five".