4066497 has 8 divisors (see below), whose sum is σ = 6024480. Its totient is φ = 2710980.

The previous prime is 4066453. The next prime is 4066507. The reversal of 4066497 is 7946604.

4066497 is a `hidden beast` number, since 4 + 0 + 6 + 649 + 7 = 666.

It is not a de Polignac number, because 4066497 - 2⁷ = 4066369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4066597) 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, 75279 + ... + 75332.

It is an arithmetic number, because the mean of its divisors is an integer number (753060).

Almost surely, 2^4066497 is an apocalyptic number.

It is an amenable number.

4066497 is a deficient number, since it is larger than the sum of its proper divisors (1957983).

4066497 is a wasteful number, since it uses less digits than its factorization.

4066497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150620 (or 150614 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 4066497 is about 2016.5557269761. Note that the first 3 decimals coincide. The cubic root of 4066497 is about 159.6149203079.

It can be divided in two parts, 406 and 6497, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 4066497 in words is "four million, sixty-six thousand, four hundred ninety-seven".