4245978 has 16 divisors (see below), whose sum is σ = 9264096. Its totient is φ = 1286640.

The previous prime is 4245973. The next prime is 4246003. The reversal of 4245978 is 8795424.

It is not an unprimeable number, because it can be changed into a prime (4245973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32101 + ... + 32232.

It is an arithmetic number, because the mean of its divisors is an integer number (579006).

Almost surely, 2^4245978 is an apocalyptic number.

4245978 is an abundant number, since it is smaller than the sum of its proper divisors (5018118).

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

4245978 is a wasteful number, since it uses less digits than its factorization.

4245978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64349.

The product of its digits is 80640, while the sum is 39.

The square root of 4245978 is about 2060.5771036290. The cubic root of 4245978 is about 161.9294770009.

The spelling of 4245978 in words is "four million, two hundred forty-five thousand, nine hundred seventy-eight".