4649641 has 4 divisors (see below), whose sum is σ = 4670352. Its totient is φ = 4628932.

The previous prime is 4649629. The next prime is 4649651. The reversal of 4649641 is 1469464.

4649641 = T₇₈ + T₇₉ + ... + T₃₀₄.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4649641 - 2⁵ = 4649609 is a prime.

It is a super-2 number, since 2×4649641² = 43238322857762, which contains 22 as substring.

It is a Duffinian number.

4649641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4649597 and 4649606.

It is not an unprimeable number, because it can be changed into a prime (4649621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10015 + ... + 10468.

It is an arithmetic number, because the mean of its divisors is an integer number (1167588).

Almost surely, 2^4649641 is an apocalyptic number.

It is an amenable number.

4649641 is a deficient number, since it is larger than the sum of its proper divisors (20711).

4649641 is a wasteful number, since it uses less digits than its factorization.

4649641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710.

The product of its digits is 20736, while the sum is 34.

The square root of 4649641 is about 2156.3026225463. The cubic root of 4649641 is about 166.9064579465.

The spelling of 4649641 in words is "four million, six hundred forty-nine thousand, six hundred forty-one".