4912949 has 4 divisors (see below), whose sum is σ = 5201964. Its totient is φ = 4623936.

The previous prime is 4912939. The next prime is 4912951. The reversal of 4912949 is 9492194.

It is a happy number.

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 3972049 + 940900 = 1993^2 + 970^2 .

It is a cyclic number.

It is not a de Polignac number, because 4912949 - 2⁸ = 4912693 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 (4912939) 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, 144482 + ... + 144515.

It is an arithmetic number, because the mean of its divisors is an integer number (1300491).

Almost surely, 2^4912949 is an apocalyptic number.

It is an amenable number.

4912949 is a deficient number, since it is larger than the sum of its proper divisors (289015).

4912949 is a wasteful number, since it uses less digits than its factorization.

4912949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289014.

The product of its digits is 23328, while the sum is 38.

The square root of 4912949 is about 2216.5173132642. The cubic root of 4912949 is about 169.9994117627. Note that the first 3 decimals are identical.

It can be divided in two parts, 49 and 12949, that multiplied together give a triangular number (634501 = T₁₁₂₆).

The spelling of 4912949 in words is "four million, nine hundred twelve thousand, nine hundred forty-nine".