4921834 has 4 divisors (see below), whose sum is σ = 7382754. Its totient is φ = 2460916.

The previous prime is 4921811. The next prime is 4921841. The reversal of 4921834 is 4381294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4381294 = 2 ⋅2190647.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 363609 = 2135^2 + 603^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4921796 and 4921805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230457 + ... + 1230460.

Almost surely, 2^4921834 is an apocalyptic number.

4921834 is a deficient number, since it is larger than the sum of its proper divisors (2460920).

4921834 is a wasteful number, since it uses less digits than its factorization.

4921834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460919.

The product of its digits is 6912, while the sum is 31.

The square root of 4921834 is about 2218.5206782899. The cubic root of 4921834 is about 170.1018305711.

The spelling of 4921834 in words is "four million, nine hundred twenty-one thousand, eight hundred thirty-four".