8403245 has 16 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 6553344.

The previous prime is 8403223. The next prime is 8403247. The reversal of 8403245 is 5423048.

It is a cyclic number.

It is not a de Polignac number, because 8403245 - 2¹⁰ = 8402221 is a prime.

It is a super-2 number, since 2×8403245² = 141229053060050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8403247) 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, 60386 + ... + 60524.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 2^8403245 is an apocalyptic number.

It is an amenable number.

8403245 is a deficient number, since it is larger than the sum of its proper divisors (1938835).

8403245 is a wasteful number, since it uses less digits than its factorization.

8403245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 8403245 is about 2898.8351108678. The cubic root of 8403245 is about 203.3054442325.

The spelling of 8403245 in words is "eight million, four hundred three thousand, two hundred forty-five".