4929842 has 4 divisors (see below), whose sum is σ = 7394766. Its totient is φ = 2464920.

The previous prime is 4929833. The next prime is 4929857. The reversal of 4929842 is 2489294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2489294 = 2 ⋅1244647.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 1466521 = 1861^2 + 1211^2 .

It is a d-powerful number, because it can be written as 4² + 9⁴ + 2¹³ + 9⁷ + 8 + 4⁵ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4929796 and 4929805.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1232459 + ... + 1232462.

Almost surely, 2^4929842 is an apocalyptic number.

4929842 is a deficient number, since it is larger than the sum of its proper divisors (2464924).

4929842 is a wasteful number, since it uses less digits than its factorization.

4929842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464923.

The product of its digits is 41472, while the sum is 38.

The square root of 4929842 is about 2220.3247510218. The cubic root of 4929842 is about 170.1940345041.

The spelling of 4929842 in words is "four million, nine hundred twenty-nine thousand, eight hundred forty-two".