4007641 has 8 divisors (see below), whose sum is σ = 4409568. Its totient is φ = 3642100.

The previous prime is 4007629. The next prime is 4007657. The reversal of 4007641 is 1467004.

It is not a de Polignac number, because 4007641 - 2⁷ = 4007513 is a prime.

It is a super-2 number, since 2×4007641² = 32122372769762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4007611) 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, 175 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (551196).

Almost surely, 2^4007641 is an apocalyptic number.

It is an amenable number.

4007641 is a deficient number, since it is larger than the sum of its proper divisors (401927).

4007641 is an equidigital number, since it uses as much as digits as its factorization.

4007641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4007641 is about 2001.9093386065. The cubic root of 4007641 is about 158.8411186658.

The spelling of 4007641 in words is "four million, seven thousand, six hundred forty-one".