4640499 has 6 divisors (see below), whose sum is σ = 6702956. Its totient is φ = 3093660.

The previous prime is 4640497. The next prime is 4640501. The reversal of 4640499 is 9940464.

4640499 is a `hidden beast` number, since 4 + 640 + 4 + 9 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (4640497) and next prime (4640501).

It is not a de Polignac number, because 4640499 - 2¹ = 4640497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257797 + ... + 257814.

Almost surely, 2^4640499 is an apocalyptic number.

4640499 is a deficient number, since it is larger than the sum of its proper divisors (2062457).

4640499 is a wasteful number, since it uses less digits than its factorization.

4640499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515617 (or 515614 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4640499 is about 2154.1817472070. The cubic root of 4640499 is about 166.7969971683.

The spelling of 4640499 in words is "four million, six hundred forty thousand, four hundred ninety-nine".