3857473 has 2 divisors, whose sum is σ = 3857474. Its totient is φ = 3857472.

The previous prime is 3857467. The next prime is 3857489. The reversal of 3857473 is 3747583.

3857473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 43264 = 1953^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 3857473 - 2¹³ = 3849281 is a prime.

It is not a weakly prime, because it can be changed into another prime (3857443) by changing a digit.

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, 1928736 + 1928737.

It is an arithmetic number, because the mean of its divisors is an integer number (1928737).

Almost surely, 2^3857473 is an apocalyptic number.

It is an amenable number.

3857473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3857473 is an equidigital number, since it uses as much as digits as its factorization.

3857473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 3857473 is about 1964.0450605829. The cubic root of 3857473 is about 156.8318618657.

It can be divided in two parts, 3 and 857473, that added together give a square (857476 = 926²).

The spelling of 3857473 in words is "three million, eight hundred fifty-seven thousand, four hundred seventy-three".