4245906 has 32 divisors (see below), whose sum is σ = 9934848. Its totient is φ = 1184400.

The previous prime is 4245881. The next prime is 4245907. The reversal of 4245906 is 6095424.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4245907) 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, 631 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

Almost surely, 2^4245906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4967424).

4245906 is an abundant number, since it is smaller than the sum of its proper divisors (5688942).

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

4245906 is a wasteful number, since it uses less digits than its factorization.

4245906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4245906 is about 2060.5596327212. The cubic root of 4245906 is about 161.9285617042.

It can be divided in two parts, 4245 and 906, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4245906 in words is "four million, two hundred forty-five thousand, nine hundred six".