4066456 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 1861920.

The previous prime is 4066453. The next prime is 4066507. The reversal of 4066456 is 6546604.

4066456 = T₂₄₈ + T₂₄₉ + ... + T₃₄₀.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066453) 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, 4281 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 2^4066456 is an apocalyptic number.

It is an amenable number.

4066456 is an abundant number, since it is smaller than the sum of its proper divisors (4227944).

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

4066456 is a wasteful number, since it uses less digits than its factorization.

4066456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 4066456 is about 2016.5455611020. The cubic root of 4066456 is about 159.6143838729.

The spelling of 4066456 in words is "four million, sixty-six thousand, four hundred fifty-six".