4009501 has 8 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 3753408.

The previous prime is 4009483. The next prime is 4009507. The reversal of 4009501 is 1059004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4009501 - 2⁷ = 4009373 is a prime.

It is a super-3 number, since 3×4009501³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340 + ... + 4378.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^4009501 is an apocalyptic number.

It is an amenable number.

4009501 is a deficient number, since it is larger than the sum of its proper divisors (258659).

4009501 is a wasteful number, since it uses less digits than its factorization.

4009501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 4009501 is about 2002.3738412195. The cubic root of 4009501 is about 158.8656882971.

The spelling of 4009501 in words is "four million, nine thousand, five hundred one".