3820263 has 4 divisors (see below), whose sum is σ = 5093688. Its totient is φ = 2546840.

The previous prime is 3820259. The next prime is 3820279. The reversal of 3820263 is 3620283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3620283 = 3 ⋅1206761.

It is a cyclic number.

It is not a de Polignac number, because 3820263 - 2² = 3820259 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820253) 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 3 ways as a sum of consecutive naturals, for example, 636708 + ... + 636713.

It is an arithmetic number, because the mean of its divisors is an integer number (1273422).

Almost surely, 2^3820263 is an apocalyptic number.

3820263 is a deficient number, since it is larger than the sum of its proper divisors (1273425).

3820263 is a wasteful number, since it uses less digits than its factorization.

3820263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273424.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3820263 is about 1954.5493086643. The cubic root of 3820263 is about 156.3259538991.

It can be divided in two parts, 38 and 20263, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 3820263 in words is "three million, eight hundred twenty thousand, two hundred sixty-three".