8407245 has 64 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 3360000.

The previous prime is 8407237. The next prime is 8407249. The reversal of 8407245 is 5427048.

It is not a de Polignac number, because 8407245 - 2³ = 8407237 is a prime.

It is a Curzon number.

8407245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8407249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33370 + ... + 33620.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^8407245 is an apocalyptic number.

It is an amenable number.

8407245 is an abundant number, since it is smaller than the sum of its proper divisors (9010995).

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

8407245 is a wasteful number, since it uses less digits than its factorization.

8407245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 8407245 is about 2899.5249610928. The cubic root of 8407245 is about 203.3376973592.

It can be divided in two parts, 8 and 407245, that added together give a triangular number (407253 = T₉₀₂).

The spelling of 8407245 in words is "eight million, four hundred seven thousand, two hundred forty-five".