4640669 has 12 divisors (see below), whose sum is σ = 5243040. Its totient is φ = 4073400.

The previous prime is 4640599. The next prime is 4640717. The reversal of 4640669 is 9660464.

It is not a de Polignac number, because 4640669 - 2¹⁶ = 4575133 is a prime.

It is a super-2 number, since 2×4640669² = 43071617535122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10352 + ... + 10790.

It is an arithmetic number, because the mean of its divisors is an integer number (436920).

Almost surely, 2^4640669 is an apocalyptic number.

It is an amenable number.

4640669 is a deficient number, since it is larger than the sum of its proper divisors (602371).

4640669 is a wasteful number, since it uses less digits than its factorization.

4640669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 4640669 is about 2154.2212049834. The cubic root of 4640669 is about 166.7990339567.

The spelling of 4640669 in words is "four million, six hundred forty thousand, six hundred sixty-nine".