4901643 has 6 divisors (see below), whose sum is σ = 7080164. Its totient is φ = 3267756.

The previous prime is 4901623. The next prime is 4901647. The reversal of 4901643 is 3461094.

It is not a de Polignac number, because 4901643 - 2⁶ = 4901579 is a prime.

It is a super-2 number, since 2×4901643² = 48052208198898, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4901647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272305 + ... + 272322.

Almost surely, 2^4901643 is an apocalyptic number.

4901643 is a deficient number, since it is larger than the sum of its proper divisors (2178521).

4901643 is a wasteful number, since it uses less digits than its factorization.

4901643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544633 (or 544630 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4901643 is about 2213.9654468848. The cubic root of 4901643 is about 169.8689070094.

The spelling of 4901643 in words is "four million, nine hundred one thousand, six hundred forty-three".