4949971 has 16 divisors (see below), whose sum is σ = 5630688. Its totient is φ = 4320000.

The previous prime is 4949963. The next prime is 4949977. The reversal of 4949971 is 1799494.

It is a 8-Lehmer number, since φ(4949971) divides (4949971-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 4949971 - 2³ = 4949963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4949977) 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 15 ways as a sum of consecutive naturals, for example, 19596 + ... + 19846.

It is an arithmetic number, because the mean of its divisors is an integer number (351918).

Almost surely, 2^4949971 is an apocalyptic number.

4949971 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4949971 is a deficient number, since it is larger than the sum of its proper divisors (680717).

4949971 is a wasteful number, since it uses less digits than its factorization.

4949971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 81648, while the sum is 43.

The square root of 4949971 is about 2224.8530288538. The cubic root of 4949971 is about 170.4253592674.

The spelling of 4949971 in words is "four million, nine hundred forty-nine thousand, nine hundred seventy-one".