4972949 has 4 divisors (see below), whose sum is σ = 5144460. Its totient is φ = 4801440.

The previous prime is 4972921. The next prime is 4972951. The reversal of 4972949 is 9492794.

4972949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 2380849 = 1610^2 + 1543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4972949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972909) 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, 85712 + ... + 85769.

It is an arithmetic number, because the mean of its divisors is an integer number (1286115).

Almost surely, 2^4972949 is an apocalyptic number.

It is an amenable number.

4972949 is a deficient number, since it is larger than the sum of its proper divisors (171511).

4972949 is a wasteful number, since it uses less digits than its factorization.

4972949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171510.

The product of its digits is 163296, while the sum is 44.

The square root of 4972949 is about 2230.0109865200. The cubic root of 4972949 is about 170.6886598007.

It can be divided in two parts, 49729 and 49, that multiplied together give a square (2436721 = 1561²).

The spelling of 4972949 in words is "four million, nine hundred seventy-two thousand, nine hundred forty-nine".